252882612 has 18 divisors (see below), whose sum is σ = 639231138. Its totient is φ = 84294192.

The previous prime is 252882611. The next prime is 252882659. The reversal of 252882612 is 216288252.

It can be written as a sum of positive squares in only one way, i.e., 132848676 + 120033936 = 11526^2 + 10956^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 7024517 = 252882612 / (2 + 5 + 2 + 8 + 8 + 2 + 6 + 1 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252882611) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3512223 + ... + 3512294.

It is an arithmetic number, because the mean of its divisors is an integer number (35512841).

Almost surely, 2^252882612 is an apocalyptic number.

It is an amenable number.

252882612 is an abundant number, since it is smaller than the sum of its proper divisors (386348526).

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

252882612 is a wasteful number, since it uses less digits than its factorization.

252882612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7024527 (or 7024522 counting only the distinct ones).

The product of its digits is 30720, while the sum is 36.

The square root of 252882612 is about 15902.2832322909. The cubic root of 252882612 is about 632.3725204608.

The spelling of 252882612 in words is "two hundred fifty-two million, eight hundred eighty-two thousand, six hundred twelve".