252044452 has 36 divisors (see below), whose sum is σ = 501566940. Its totient is φ = 110608960.

The previous prime is 252044449. The next prime is 252044459. The reversal of 252044452 is 254440252.

It can be written as a sum of positive squares in 2 ways, for example, as 215972416 + 36072036 = 14696^2 + 6006^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252044452.

It is not an unprimeable number, because it can be changed into a prime (252044459) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 5058 + ... + 23014.

It is an arithmetic number, because the mean of its divisors is an integer number (13932415).

Almost surely, 2^252044452 is an apocalyptic number.

252044452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

252044452 is a deficient number, since it is larger than the sum of its proper divisors (249522488).

252044452 is a wasteful number, since it uses less digits than its factorization.

252044452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18012 (or 17999 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 252044452 is about 15875.9079110456. The cubic root of 252044452 is about 631.6730971081.

The spelling of 252044452 in words is "two hundred fifty-two million, forty-four thousand, four hundred fifty-two".