252828725 has 24 divisors (see below), whose sum is σ = 331124640. Its totient is φ = 190969920.

The previous prime is 252828701. The next prime is 252828731. The reversal of 252828725 is 527828252.

It is a de Polignac number, because none of the positive numbers 2^k-252828725 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 176462 + ... + 177888.

It is an arithmetic number, because the mean of its divisors is an integer number (13796860).

Almost surely, 2^252828725 is an apocalyptic number.

252828725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252828725 is a deficient number, since it is larger than the sum of its proper divisors (78295915).

252828725 is a wasteful number, since it uses less digits than its factorization.

252828725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1829 (or 1824 counting only the distinct ones).

The product of its digits is 179200, while the sum is 41.

The square root of 252828725 is about 15900.5888255750. The cubic root of 252828725 is about 632.3275996462.

The spelling of 252828725 in words is "two hundred fifty-two million, eight hundred twenty-eight thousand, seven hundred twenty-five".