252418818 has 8 divisors (see below), whose sum is σ = 504837648. Its totient is φ = 84139604.

The previous prime is 252418763. The next prime is 252418823. The reversal of 252418818 is 818814252.

It is a sphenic number, since it is the product of 3 distinct primes.

252418818 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21034896 + ... + 21034907.

It is an arithmetic number, because the mean of its divisors is an integer number (63104706).

Almost surely, 2^252418818 is an apocalyptic number.

252418818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252418818 is a wasteful number, since it uses less digits than its factorization.

252418818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42069808.

The product of its digits is 40960, while the sum is 39.

The square root of 252418818 is about 15887.6939169912. The cubic root of 252418818 is about 631.9856873995.

It can be divided in two parts, 252 and 418818, that added together give a triangular number (419070 = T₉₁₅).

The spelling of 252418818 in words is "two hundred fifty-two million, four hundred eighteen thousand, eight hundred eighteen".