252969804 has 72 divisors (see below), whose sum is σ = 666037008. Its totient is φ = 83954880.

The previous prime is 252969803. The next prime is 252969811. The reversal of 252969804 is 408969252.

It is a self number, because there is not a number n which added to its sum of digits gives 252969804.

It is not an unprimeable number, because it can be changed into a prime (252969803) 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 23 ways as a sum of consecutive naturals, for example, 307714 + ... + 308534.

It is an arithmetic number, because the mean of its divisors is an integer number (9250514).

Almost surely, 2^252969804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252969804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (333018504).

252969804 is an abundant number, since it is smaller than the sum of its proper divisors (413067204).

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

252969804 is a wasteful number, since it uses less digits than its factorization.

252969804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157 (or 1143 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 252969804 is about 15905.0244891355. The cubic root of 252969804 is about 632.4451911867.

The spelling of 252969804 in words is "two hundred fifty-two million, nine hundred sixty-nine thousand, eight hundred four".