250625565 has 24 divisors (see below), whose sum is σ = 438486048. Its totient is φ = 132415200.

The previous prime is 250625533. The next prime is 250625591. The reversal of 250625565 is 565526052.

250625565 is a `hidden beast` number, since 25 + 0 + 625 + 5 + 6 + 5 = 666.

It is not a de Polignac number, because 250625565 - 2⁵ = 250625533 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 23 ways as a sum of consecutive naturals, for example, 21211 + ... + 30840.

It is an arithmetic number, because the mean of its divisors is an integer number (18270252).

Almost surely, 2^250625565 is an apocalyptic number.

It is an amenable number.

250625565 is a deficient number, since it is larger than the sum of its proper divisors (187860483).

250625565 is a wasteful number, since it uses less digits than its factorization.

250625565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52169 (or 52166 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 250625565 is about 15831.1580435545. The cubic root of 250625565 is about 630.4855289662.

The spelling of 250625565 in words is "two hundred fifty million, six hundred twenty-five thousand, five hundred sixty-five".