252293818 has 32 divisors (see below), whose sum is σ = 460425600. Its totient is φ = 101274624.

The previous prime is 252293813. The next prime is 252293849. The reversal of 252293818 is 818392252.

It is not an unprimeable number, because it can be changed into a prime (252293813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18346 + ... + 29002.

It is an arithmetic number, because the mean of its divisors is an integer number (14388300).

Almost surely, 2^252293818 is an apocalyptic number.

252293818 is a deficient number, since it is larger than the sum of its proper divisors (208131782).

252293818 is a wasteful number, since it uses less digits than its factorization.

252293818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10774.

The product of its digits is 69120, while the sum is 40.

The square root of 252293818 is about 15883.7595675583. The cubic root of 252293818 is about 631.8813485665.

The spelling of 252293818 in words is "two hundred fifty-two million, two hundred ninety-three thousand, eight hundred eighteen".