252076989 has 4 divisors (see below), whose sum is σ = 336102656. Its totient is φ = 168051324.

The previous prime is 252076973. The next prime is 252076991. The reversal of 252076989 is 989670252.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 252076989 - 2⁴ = 252076973 is a prime.

It is a super-2 number, since 2×252076989² = 127085616766612242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252076999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42012829 + ... + 42012834.

It is an arithmetic number, because the mean of its divisors is an integer number (84025664).

Almost surely, 2^252076989 is an apocalyptic number.

It is an amenable number.

252076989 is a deficient number, since it is larger than the sum of its proper divisors (84025667).

252076989 is an equidigital number, since it uses as much as digits as its factorization.

252076989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84025666.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 252076989 is about 15876.9326067726. The cubic root of 252076989 is about 631.7002773179.

The spelling of 252076989 in words is "two hundred fifty-two million, seventy-six thousand, nine hundred eighty-nine".