15255263297 has 2 divisors, whose sum is σ = 15255263298. Its totient is φ = 15255263296.

The previous prime is 15255263249. The next prime is 15255263329. The reversal of 15255263297 is 79236255251.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14701320001 + 553943296 = 121249^2 + 23536^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-15255263297 is a prime.

It is not a weakly prime, because it can be changed into another prime (15255266297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7627631648 + 7627631649.

It is an arithmetic number, because the mean of its divisors is an integer number (7627631649).

Almost surely, 2^15255263297 is an apocalyptic number.

It is an amenable number.

15255263297 is a deficient number, since it is larger than the sum of its proper divisors (1).

15255263297 is an equidigital number, since it uses as much as digits as its factorization.

15255263297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134000, while the sum is 47.

The spelling of 15255263297 in words is "fifteen billion, two hundred fifty-five million, two hundred sixty-three thousand, two hundred ninety-seven".