252982609 has 8 divisors (see below), whose sum is σ = 276363360. Its totient is φ = 229665600.

The previous prime is 252982601. The next prime is 252982637. The reversal of 252982609 is 906289252.

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

It is a cyclic number.

It is not a de Polignac number, because 252982609 - 2³ = 252982601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252982601) 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 7 ways as a sum of consecutive naturals, for example, 7432 + ... + 23689.

It is an arithmetic number, because the mean of its divisors is an integer number (34545420).

Almost surely, 2^252982609 is an apocalyptic number.

It is an amenable number.

252982609 is a deficient number, since it is larger than the sum of its proper divisors (23380751).

252982609 is a wasteful number, since it uses less digits than its factorization.

252982609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31871.

The product of its (nonzero) digits is 155520, while the sum is 43.

The square root of 252982609 is about 15905.4270297908. The cubic root of 252982609 is about 632.4558621889.

The spelling of 252982609 in words is "two hundred fifty-two million, nine hundred eighty-two thousand, six hundred nine".