25650065 has 32 divisors (see below), whose sum is σ = 37428480. Its totient is φ = 16498944.

The previous prime is 25650047. The next prime is 25650101. The reversal of 25650065 is 56005652.

It is not a de Polignac number, because 25650065 - 2²⁴ = 8872849 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

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, 37214 + ... + 37896.

It is an arithmetic number, because the mean of its divisors is an integer number (1169640).

Almost surely, 2^25650065 is an apocalyptic number.

It is an amenable number.

25650065 is a deficient number, since it is larger than the sum of its proper divisors (11778415).

25650065 is a wasteful number, since it uses less digits than its factorization.

25650065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 761.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 25650065 is about 5064.5893219490. The cubic root of 25650065 is about 294.9145208626.

The spelling of 25650065 in words is "twenty-five million, six hundred fifty thousand, sixty-five".