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5249292281 is a prime number
BaseRepresentation
bin1001110001110000…
…11101011111111001
3111112211110200021122
410320320131133321
541222304323111
62224514315025
7244040151062
oct47070353771
914484420248
105249292281
1122540a7a92
121025b88a75
136586b410c
1437b235569
1520ac9acdb
hex138e1d7f9

5249292281 has 2 divisors, whose sum is σ = 5249292282. Its totient is φ = 5249292280.

The previous prime is 5249292263. The next prime is 5249292311. The reversal of 5249292281 is 1822929425.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2668652281 + 2580640000 = 51659^2 + 50800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5249292281 is a prime.

It is a super-2 number, since 2×52492922812 = 55110138902732365922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5249298281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2624646140 + 2624646141.

It is an arithmetic number, because the mean of its divisors is an integer number (2624646141).

Almost surely, 25249292281 is an apocalyptic number.

It is an amenable number.

5249292281 is a deficient number, since it is larger than the sum of its proper divisors (1).

5249292281 is an equidigital number, since it uses as much as digits as its factorization.

5249292281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The square root of 5249292281 is about 72451.9998412742. Note that the first 3 decimals coincide. The cubic root of 5249292281 is about 1737.9352221051.

The spelling of 5249292281 in words is "five billion, two hundred forty-nine million, two hundred ninety-two thousand, two hundred eighty-one".