25264193625 has 192 divisors, whose sum is σ = 52201304064. Its totient is φ = 12088440000.

The previous prime is 25264193621. The next prime is 25264193651. The reversal of 25264193625 is 52639146252.

25264193625 is a `hidden beast` number, since 2 + 5 + 2 + 6 + 4 + 19 + 3 + 625 = 666.

It is not a de Polignac number, because 25264193625 - 2² = 25264193621 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (25264193621) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 27731920 + ... + 27732830.

It is an arithmetic number, because the mean of its divisors is an integer number (271881792).

Almost surely, 2^25264193625 is an apocalyptic number.

25264193625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25264193625 is an abundant number, since it is smaller than the sum of its proper divisors (26937110439).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25264193625 is an equidigital number, since it uses as much as digits as its factorization.

25264193625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1013 counting only the distinct ones).

The product of its digits is 777600, while the sum is 45.

The spelling of 25264193625 in words is "twenty-five billion, two hundred sixty-four million, one hundred ninety-three thousand, six hundred twenty-five".