25628757 has 16 divisors (see below), whose sum is σ = 42604032. Its totient is φ = 13313520.

The previous prime is 25628737. The next prime is 25628761. The reversal of 25628757 is 75782652.

It is not a de Polignac number, because 25628757 - 2⁸ = 25628501 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25628717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55243 + ... + 55704.

It is an arithmetic number, because the mean of its divisors is an integer number (2662752).

Almost surely, 2^25628757 is an apocalyptic number.

It is an amenable number.

25628757 is a deficient number, since it is larger than the sum of its proper divisors (16975275).

25628757 is a wasteful number, since it uses less digits than its factorization.

25628757 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110968.

The product of its digits is 235200, while the sum is 42.

The square root of 25628757 is about 5062.4852592378. The cubic root of 25628757 is about 294.8328345264.

The spelling of 25628757 in words is "twenty-five million, six hundred twenty-eight thousand, seven hundred fifty-seven".