252562989 has 8 divisors (see below), whose sum is σ = 384857920. Its totient is φ = 144321696.

The previous prime is 252562969. The next prime is 252563021. The reversal of 252562989 is 989265252.

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

It is not a de Polignac number, because 252562989 - 2⁵ = 252562957 is a prime.

It is a super-2 number, since 2×252562989² = 127576126825228242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252562969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6013384 + ... + 6013425.

It is an arithmetic number, because the mean of its divisors is an integer number (48107240).

Almost surely, 2^252562989 is an apocalyptic number.

It is an amenable number.

252562989 is a deficient number, since it is larger than the sum of its proper divisors (132294931).

252562989 is a wasteful number, since it uses less digits than its factorization.

252562989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12026819.

The product of its digits is 777600, while the sum is 48.

The square root of 252562989 is about 15892.2304601966. The cubic root of 252562989 is about 632.1059857037.

The spelling of 252562989 in words is "two hundred fifty-two million, five hundred sixty-two thousand, nine hundred eighty-nine".