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5210422181 is a prime number
BaseRepresentation
bin1001101101001000…
…01011101110100101
3111110010022212112022
410312210023232211
541132332002211
62221005232525
7243055600136
oct46644135645
914403285468
105210422181
112234169338
121014b62745
13650624963
14375dd7c8d
1520766dbdb
hex13690bba5

5210422181 has 2 divisors, whose sum is σ = 5210422182. Its totient is φ = 5210422180.

The previous prime is 5210422121. The next prime is 5210422183. The reversal of 5210422181 is 1812240125.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3560031556 + 1650390625 = 59666^2 + 40625^2 .

It is a cyclic number.

It is not a de Polignac number, because 5210422181 - 226 = 5143313317 is a prime.

It is a super-2 number, since 2×52104221812 = 54296998608513593522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5210422183, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5210422181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5210422183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2605211090 + 2605211091.

It is an arithmetic number, because the mean of its divisors is an integer number (2605211091).

Almost surely, 25210422181 is an apocalyptic number.

It is an amenable number.

5210422181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5210422181 is an equidigital number, since it uses as much as digits as its factorization.

5210422181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 5210422181 is about 72183.2541591192. The cubic root of 5210422181 is about 1733.6348870769.

The spelling of 5210422181 in words is "five billion, two hundred ten million, four hundred twenty-two thousand, one hundred eighty-one".