252772525 has 12 divisors (see below), whose sum is σ = 316215252. Its totient is φ = 200426240.

The previous prime is 252772489. The next prime is 252772573. The reversal of 252772525 is 525277252.

It can be written as a sum of positive squares in 6 ways, for example, as 142396489 + 110376036 = 11933^2 + 10506^2 .

It is not a de Polignac number, because 252772525 - 2¹¹ = 252770477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 41914 + ... + 47563.

It is an arithmetic number, because the mean of its divisors is an integer number (26351271).

Almost surely, 2^252772525 is an apocalyptic number.

252772525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252772525 is a deficient number, since it is larger than the sum of its proper divisors (63442727).

252772525 is a wasteful number, since it uses less digits than its factorization.

252772525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89600 (or 89595 counting only the distinct ones).

The product of its digits is 98000, while the sum is 37.

The square root of 252772525 is about 15898.8214972054. The cubic root of 252772525 is about 632.2807438884.

The spelling of 252772525 in words is "two hundred fifty-two million, seven hundred seventy-two thousand, five hundred twenty-five".