25953015313 has 2 divisors, whose sum is σ = 25953015314. Its totient is φ = 25953015312.

The previous prime is 25953015311. The next prime is 25953015343. The reversal of 25953015313 is 31351035952.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22568451984 + 3384563329 = 150228^2 + 58177^2 .

It is a cyclic number.

It is not a de Polignac number, because 25953015313 - 2¹ = 25953015311 is a prime.

Together with 25953015311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (25953015311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12976507656 + 12976507657.

It is an arithmetic number, because the mean of its divisors is an integer number (12976507657).

Almost surely, 2^25953015313 is an apocalyptic number.

It is an amenable number.

25953015313 is a deficient number, since it is larger than the sum of its proper divisors (1).

25953015313 is an equidigital number, since it uses as much as digits as its factorization.

25953015313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60750, while the sum is 37.

The spelling of 25953015313 in words is "twenty-five billion, nine hundred fifty-three million, fifteen thousand, three hundred thirteen".