252818330 has 16 divisors (see below), whose sum is σ = 469753344. Its totient is φ = 97865040.

The previous prime is 252818329. The next prime is 252818359. The reversal of 252818330 is 33818252.

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, 407462 + ... + 408081.

It is an arithmetic number, because the mean of its divisors is an integer number (29359584).

Almost surely, 2^252818330 is an apocalyptic number.

252818330 is a deficient number, since it is larger than the sum of its proper divisors (216935014).

252818330 is a wasteful number, since it uses less digits than its factorization.

252818330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815581.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 252818330 is about 15900.2619475278. The cubic root of 252818330 is about 632.3189335219.

The spelling of 252818330 in words is "two hundred fifty-two million, eight hundred eighteen thousand, three hundred thirty".