252577889 has 4 divisors (see below), whose sum is σ = 252638256. Its totient is φ = 252517524.

The previous prime is 252577867. The next prime is 252577901. The reversal of 252577889 is 988775252.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 252577889 - 2¹² = 252573793 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252577889.

It is not an unprimeable number, because it can be changed into a prime (252571889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23399 + ... + 32444.

It is an arithmetic number, because the mean of its divisors is an integer number (63159564).

Almost surely, 2^252577889 is an apocalyptic number.

It is an amenable number.

252577889 is a deficient number, since it is larger than the sum of its proper divisors (60367).

252577889 is an equidigital number, since it uses as much as digits as its factorization.

252577889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60366.

The product of its digits is 2822400, while the sum is 53.

The square root of 252577889 is about 15892.6992358127. The cubic root of 252577889 is about 632.1184158622.

The spelling of 252577889 in words is "two hundred fifty-two million, five hundred seventy-seven thousand, eight hundred eighty-nine".