25064565 has 8 divisors (see below), whose sum is σ = 40103328. Its totient is φ = 13367760.

The previous prime is 25064551. The next prime is 25064581. The reversal of 25064565 is 56546052.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 25064565 - 2¹⁴ = 25048181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835471 + ... + 835500.

It is an arithmetic number, because the mean of its divisors is an integer number (5012916).

Almost surely, 2^25064565 is an apocalyptic number.

It is an amenable number.

25064565 is a deficient number, since it is larger than the sum of its proper divisors (15038763).

25064565 is a wasteful number, since it uses less digits than its factorization.

25064565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670979.

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 25064565 is about 5006.4523367351. The cubic root of 25064565 is about 292.6532763756.

The spelling of 25064565 in words is "twenty-five million, sixty-four thousand, five hundred sixty-five".