25607316401 has 2 divisors, whose sum is σ = 25607316402. Its totient is φ = 25607316400.

The previous prime is 25607316341. The next prime is 25607316433. The reversal of 25607316401 is 10461370652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15837970801 + 9769345600 = 125849^2 + 98840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25607316401 is a prime.

It is not a weakly prime, because it can be changed into another prime (25607316491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12803658200 + 12803658201.

It is an arithmetic number, because the mean of its divisors is an integer number (12803658201).

Almost surely, 2^25607316401 is an apocalyptic number.

It is an amenable number.

25607316401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25607316401 is an equidigital number, since it uses as much as digits as its factorization.

25607316401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 25607316401 in words is "twenty-five billion, six hundred seven million, three hundred sixteen thousand, four hundred one".