25002504013 has 2 divisors, whose sum is σ = 25002504014. Its totient is φ = 25002504012.

The previous prime is 25002504001. The next prime is 25002504017. The reversal of 25002504013 is 31040520052.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22613542884 + 2388961129 = 150378^2 + 48877^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25002504013 is a prime.

It is a super-2 number, since 2×25002504013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25002504017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12501252006 + 12501252007.

It is an arithmetic number, because the mean of its divisors is an integer number (12501252007).

Almost surely, 2^25002504013 is an apocalyptic number.

It is an amenable number.

25002504013 is a deficient number, since it is larger than the sum of its proper divisors (1).

25002504013 is an equidigital number, since it uses as much as digits as its factorization.

25002504013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1200, while the sum is 22.

The spelling of 25002504013 in words is "twenty-five billion, two million, five hundred four thousand, thirteen".