25240790507 has 2 divisors, whose sum is σ = 25240790508. Its totient is φ = 25240790506.

The previous prime is 25240790501. The next prime is 25240790563. The reversal of 25240790507 is 70509704252.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 25240790507 - 2²⁰ = 25239741931 is a prime.

It is a super-2 number, since 2×25240790507² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25240790501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12620395253 + 12620395254.

It is an arithmetic number, because the mean of its divisors is an integer number (12620395254).

Almost surely, 2^25240790507 is an apocalyptic number.

25240790507 is a deficient number, since it is larger than the sum of its proper divisors (1).

25240790507 is an equidigital number, since it uses as much as digits as its factorization.

25240790507 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The spelling of 25240790507 in words is "twenty-five billion, two hundred forty million, seven hundred ninety thousand, five hundred seven".