25460534401 has 2 divisors, whose sum is σ = 25460534402. Its totient is φ = 25460534400.

The previous prime is 25460534383. The next prime is 25460534501. The reversal of 25460534401 is 10443506452.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14914271376 + 10546263025 = 122124^2 + 102695^2 .

It is a cyclic number.

It is not a de Polignac number, because 25460534401 - 2¹⁹ = 25460010113 is a prime.

It is not a weakly prime, because it can be changed into another prime (25460534501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12730267200 + 12730267201.

It is an arithmetic number, because the mean of its divisors is an integer number (12730267201).

Almost surely, 2^25460534401 is an apocalyptic number.

It is an amenable number.

25460534401 is a deficient number, since it is larger than the sum of its proper divisors (1).

25460534401 is an equidigital number, since it uses as much as digits as its factorization.

25460534401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 34.

The spelling of 25460534401 in words is "twenty-five billion, four hundred sixty million, five hundred thirty-four thousand, four hundred one".