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2252356081 is a prime number
BaseRepresentation
bin1000011001000000…
…0011100111110001
312210222012112200121
42012100003213301
514103100343311
61011255450241
7106546465543
oct20620034761
95728175617
102252356081
11a5643a508
1252a386981
1329b8332a1
141751c9693
15d2b0eb71
hex864039f1

2252356081 has 2 divisors, whose sum is σ = 2252356082. Its totient is φ = 2252356080.

The previous prime is 2252356037. The next prime is 2252356097. The reversal of 2252356081 is 1806532522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2154445056 + 97911025 = 46416^2 + 9895^2 .

It is a cyclic number.

It is not a de Polignac number, because 2252356081 - 225 = 2218801649 is a prime.

It is a super-2 number, since 2×22523560812 = 10146215831235357122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2252351081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1126178040 + 1126178041.

It is an arithmetic number, because the mean of its divisors is an integer number (1126178041).

Almost surely, 22252356081 is an apocalyptic number.

It is an amenable number.

2252356081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2252356081 is an equidigital number, since it uses as much as digits as its factorization.

2252356081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 2252356081 is about 47458.9936787539. The cubic root of 2252356081 is about 1310.8279211779.

The spelling of 2252356081 in words is "two billion, two hundred fifty-two million, three hundred fifty-six thousand, eighty-one".