25067565 has 12 divisors (see below), whose sum is σ = 43450524. Its totient is φ = 13369344.

The previous prime is 25067531. The next prime is 25067573. The reversal of 25067565 is 56576052.

It can be written as a sum of positive squares in 2 ways, for example, as 2996361 + 22071204 = 1731^2 + 4698^2 .

It is not a de Polignac number, because 25067565 - 2⁶ = 25067501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278484 + ... + 278573.

It is an arithmetic number, because the mean of its divisors is an integer number (3620877).

Almost surely, 2^25067565 is an apocalyptic number.

It is an amenable number.

25067565 is a deficient number, since it is larger than the sum of its proper divisors (18382959).

25067565 is a wasteful number, since it uses less digits than its factorization.

25067565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 557068 (or 557065 counting only the distinct ones).

The product of its (nonzero) digits is 63000, while the sum is 36.

The square root of 25067565 is about 5006.7519411291. The cubic root of 25067565 is about 292.6649518864.

The spelling of 25067565 in words is "twenty-five million, sixty-seven thousand, five hundred sixty-five".