25572757 has 12 divisors (see below), whose sum is σ = 31042656. Its totient is φ = 20965560.

The previous prime is 25572749. The next prime is 25572769. The reversal of 25572757 is 75727552.

It is a happy number.

It is not a de Polignac number, because 25572757 - 2³ = 25572749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25572257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10219 + ... + 12472.

It is an arithmetic number, because the mean of its divisors is an integer number (2586888).

Almost surely, 2^25572757 is an apocalyptic number.

It is an amenable number.

25572757 is a deficient number, since it is larger than the sum of its proper divisors (5469899).

25572757 is a wasteful number, since it uses less digits than its factorization.

25572757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22728 (or 22721 counting only the distinct ones).

The product of its digits is 171500, while the sum is 40.

The square root of 25572757 is about 5056.9513543241. The cubic root of 25572757 is about 294.6179368777.

The spelling of 25572757 in words is "twenty-five million, five hundred seventy-two thousand, seven hundred fifty-seven".