252960985 has 8 divisors (see below), whose sum is σ = 303710400. Its totient is φ = 202263984.

The previous prime is 252960943. The next prime is 252960991. The reversal of 252960985 is 589069252.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252960985 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557 + ... + 22546.

It is an arithmetic number, because the mean of its divisors is an integer number (37963800).

Almost surely, 2^252960985 is an apocalyptic number.

It is an amenable number.

252960985 is a deficient number, since it is larger than the sum of its proper divisors (50749415).

252960985 is a wasteful number, since it uses less digits than its factorization.

252960985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26207.

The product of its (nonzero) digits is 388800, while the sum is 46.

The square root of 252960985 is about 15904.7472472844. The cubic root of 252960985 is about 632.4378416943.

The spelling of 252960985 in words is "two hundred fifty-two million, nine hundred sixty thousand, nine hundred eighty-five".