25510065 has 48 divisors (see below), whose sum is σ = 49304448. Its totient is φ = 11031552.

The previous prime is 25510063. The next prime is 25510073. The reversal of 25510065 is 56001552.

It is not a de Polignac number, because 25510065 - 2¹ = 25510063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25510063) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 37569 + ... + 38241.

It is an arithmetic number, because the mean of its divisors is an integer number (1027176).

Almost surely, 2^25510065 is an apocalyptic number.

It is an amenable number.

25510065 is a deficient number, since it is larger than the sum of its proper divisors (23794383).

25510065 is a wasteful number, since it uses less digits than its factorization.

25510065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 707 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 24.

The square root of 25510065 is about 5050.7489543631. The cubic root of 25510065 is about 294.3769864318.

The spelling of 25510065 in words is "twenty-five million, five hundred ten thousand, sixty-five".