252238995 has 32 divisors (see below), whose sum is σ = 450455040. Its totient is φ = 133918560.

The previous prime is 252238981. The next prime is 252239051. The reversal of 252238995 is 599832252.

252238995 is a `hidden beast` number, since 2 + 522 + 38 + 9 + 95 = 666.

252238995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252238995 - 2⁵ = 252238963 is a prime.

It is a super-2 number, since 2×252238995² = 127249021197220050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 252238995.

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, 26530 + ... + 34760.

It is an arithmetic number, because the mean of its divisors is an integer number (14076720).

Almost surely, 2^252238995 is an apocalyptic number.

252238995 is a deficient number, since it is larger than the sum of its proper divisors (198216045).

252238995 is a wasteful number, since it uses less digits than its factorization.

252238995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8472 (or 8466 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 252238995 is about 15882.0337173802. The cubic root of 252238995 is about 631.8355763515.

The spelling of 252238995 in words is "two hundred fifty-two million, two hundred thirty-eight thousand, nine hundred ninety-five".