252513985 has 8 divisors (see below), whose sum is σ = 307285056. Its totient is φ = 199165680.

The previous prime is 252513929. The next prime is 252514007. The reversal of 252513985 is 589315252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 252513985 - 2¹¹ = 252511937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 355299 + ... + 356008.

It is an arithmetic number, because the mean of its divisors is an integer number (38410632).

Almost surely, 2^252513985 is an apocalyptic number.

It is an amenable number.

252513985 is a deficient number, since it is larger than the sum of its proper divisors (54771071).

252513985 is an equidigital number, since it uses as much as digits as its factorization.

252513985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711383.

The product of its digits is 108000, while the sum is 40.

The square root of 252513985 is about 15890.6886257330. The cubic root of 252513985 is about 632.0651012159.

The spelling of 252513985 in words is "two hundred fifty-two million, five hundred thirteen thousand, nine hundred eighty-five".