252377818 has 32 divisors (see below), whose sum is σ = 499747968. Its totient is φ = 92544000.

The previous prime is 252377813. The next prime is 252377819. The reversal of 252377818 is 818773252.

It is a super-2 number, since 2×252377818² = 127389126036882248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (252377813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45583 + ... + 50818.

It is an arithmetic number, because the mean of its divisors is an integer number (15617124).

Almost surely, 2^252377818 is an apocalyptic number.

252377818 is a deficient number, since it is larger than the sum of its proper divisors (247370150).

252377818 is a wasteful number, since it uses less digits than its factorization.

252377818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96438.

The product of its digits is 188160, while the sum is 43.

The square root of 252377818 is about 15886.4035577597. The cubic root of 252377818 is about 631.9514680593.

The spelling of 252377818 in words is "two hundred fifty-two million, three hundred seventy-seven thousand, eight hundred eighteen".