25267725 has 72 divisors (see below), whose sum is σ = 52770432. Its totient is φ = 11318400.

The previous prime is 25267721. The next prime is 25267727. The reversal of 25267725 is 52776252.

It is not a de Polignac number, because 25267725 - 2² = 25267721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 25267725.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25267721) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 95944 + ... + 96206.

Almost surely, 2^25267725 is an apocalyptic number.

25267725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25267725 is an abundant number, since it is smaller than the sum of its proper divisors (27502707).

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

25267725 is a wasteful number, since it uses less digits than its factorization.

25267725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347 (or 339 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 25267725 is about 5026.7012045675. The cubic root of 25267725 is about 293.4418467613.

The spelling of 25267725 in words is "twenty-five million, two hundred sixty-seven thousand, seven hundred twenty-five".