252737628 has 48 divisors (see below), whose sum is σ = 692823936. Its totient is φ = 70695360.

The previous prime is 252737591. The next prime is 252737629. The reversal of 252737628 is 826737252.

It is a self number, because there is not a number n which added to its sum of digits gives 252737628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252737629) 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 15 ways as a sum of consecutive naturals, for example, 71926 + ... + 75357.

It is an arithmetic number, because the mean of its divisors is an integer number (14433832).

Almost surely, 2^252737628 is an apocalyptic number.

It is an amenable number.

252737628 is an abundant number, since it is smaller than the sum of its proper divisors (440086308).

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

252737628 is a wasteful number, since it uses less digits than its factorization.

252737628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147314 (or 147312 counting only the distinct ones).

The product of its digits is 282240, while the sum is 42.

The square root of 252737628 is about 15897.7239880431. The cubic root of 252737628 is about 632.2516456354.

The spelling of 252737628 in words is "two hundred fifty-two million, seven hundred thirty-seven thousand, six hundred twenty-eight".