25756713 has 12 divisors (see below), whose sum is σ = 37250928. Its totient is φ = 17149560.

The previous prime is 25756697. The next prime is 25756721. The reversal of 25756713 is 31765752.

It is not a de Polignac number, because 25756713 - 2⁴ = 25756697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25756763) 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, 9478 + ... + 11888.

It is an arithmetic number, because the mean of its divisors is an integer number (3104244).

Almost surely, 2^25756713 is an apocalyptic number.

It is an amenable number.

25756713 is a deficient number, since it is larger than the sum of its proper divisors (11494215).

25756713 is a wasteful number, since it uses less digits than its factorization.

25756713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3604 (or 3601 counting only the distinct ones).

The product of its digits is 44100, while the sum is 36.

The square root of 25756713 is about 5075.1071909862. The cubic root of 25756713 is about 295.3226881679.

The spelling of 25756713 in words is "twenty-five million, seven hundred fifty-six thousand, seven hundred thirteen".