25675917 has 12 divisors (see below), whose sum is σ = 34618080. Its totient is φ = 16927600.

The previous prime is 25675913. The next prime is 25675919. The reversal of 25675917 is 71957652.

It is not a de Polignac number, because 25675917 - 2² = 25675913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25675913) 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, 30184 + ... + 31022.

It is an arithmetic number, because the mean of its divisors is an integer number (2884840).

Almost surely, 2^25675917 is an apocalyptic number.

It is an amenable number.

25675917 is a deficient number, since it is larger than the sum of its proper divisors (8942163).

25675917 is an equidigital number, since it uses as much as digits as its factorization.

25675917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044 (or 943 counting only the distinct ones).

The product of its digits is 132300, while the sum is 42.

The square root of 25675917 is about 5067.1409098228. The cubic root of 25675917 is about 295.0135663588.

The spelling of 25675917 in words is "twenty-five million, six hundred seventy-five thousand, nine hundred seventeen".