252846987 has 16 divisors (see below), whose sum is σ = 340381440. Its totient is φ = 166946912.

The previous prime is 252846983. The next prime is 252847039. The reversal of 252846987 is 789648252.

It is a cyclic number.

It is not a de Polignac number, because 252846987 - 2² = 252846983 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252846983) 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, 156538 + ... + 158144.

It is an arithmetic number, because the mean of its divisors is an integer number (21273840).

Almost surely, 2^252846987 is an apocalyptic number.

252846987 is a deficient number, since it is larger than the sum of its proper divisors (87534453).

252846987 is a wasteful number, since it uses less digits than its factorization.

252846987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2082.

The product of its digits is 1935360, while the sum is 51.

The square root of 252846987 is about 15901.1630706688. The cubic root of 252846987 is about 632.3428237715.

The spelling of 252846987 in words is "two hundred fifty-two million, eight hundred forty-six thousand, nine hundred eighty-seven".