25264455825 has 48 divisors (see below), whose sum is σ = 48081367040. Its totient is φ = 11466342720.

The previous prime is 25264455817. The next prime is 25264455833. The reversal of 25264455825 is 52855446252.

It is an interprime number because it is at equal distance from previous prime (25264455817) and next prime (25264455833).

It is not a de Polignac number, because 25264455825 - 2³ = 25264455817 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100129 + ... + 246078.

Almost surely, 2^25264455825 is an apocalyptic number.

25264455825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25264455825 is a deficient number, since it is larger than the sum of its proper divisors (22816911215).

25264455825 is a wasteful number, since it uses less digits than its factorization.

25264455825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346366 (or 346361 counting only the distinct ones).

The product of its digits is 3840000, while the sum is 48.

The spelling of 25264455825 in words is "twenty-five billion, two hundred sixty-four million, four hundred fifty-five thousand, eight hundred twenty-five".