252818 has 8 divisors (see below), whose sum is σ = 384048. Its totient is φ = 124804.

The previous prime is 252817. The next prime is 252823. The reversal of 252818 is 818252.

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

It is a super-2 number, since 2×252818² = 127833882248, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252818.

It is not an unprimeable number, because it can be changed into a prime (252817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596 + ... + 927.

It is an arithmetic number, because the mean of its divisors is an integer number (48006).

2²⁵²⁸¹⁸ is an apocalyptic number.

252818 is a deficient number, since it is larger than the sum of its proper divisors (131230).

252818 is a wasteful number, since it uses less digits than its factorization.

252818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1608.

The product of its digits is 1280, while the sum is 26.

The square root of 252818 is about 502.8101033193. The cubic root of 252818 is about 63.2318658403.

The spelling of 252818 in words is "two hundred fifty-two thousand, eight hundred eighteen".