25426065 has 32 divisors (see below), whose sum is σ = 46964736. Its totient is φ = 11505600.

The previous prime is 25426057. The next prime is 25426091. The reversal of 25426065 is 56062452.

25426065 = 1180² + 1181² + ... + 1197².

It is not a de Polignac number, because 25426065 - 2³ = 25426057 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9640 + ... + 11990.

It is an arithmetic number, because the mean of its divisors is an integer number (1467648).

Almost surely, 2^25426065 is an apocalyptic number.

It is an amenable number.

25426065 is a deficient number, since it is larger than the sum of its proper divisors (21538671).

25426065 is a wasteful number, since it uses less digits than its factorization.

25426065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2469.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 25426065 is about 5042.4264992164. The cubic root of 25426065 is about 294.0535211923.

The spelling of 25426065 in words is "twenty-five million, four hundred twenty-six thousand, sixty-five".