252064361 has 4 divisors (see below), whose sum is σ = 252570000. Its totient is φ = 251558724.

The previous prime is 252064357. The next prime is 252064363. The reversal of 252064361 is 163460252.

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 252064361 - 2² = 252064357 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252064363) 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 3 ways as a sum of consecutive naturals, for example, 252071 + ... + 253068.

It is an arithmetic number, because the mean of its divisors is an integer number (63142500).

Almost surely, 2^252064361 is an apocalyptic number.

It is an amenable number.

252064361 is a deficient number, since it is larger than the sum of its proper divisors (505639).

252064361 is an equidigital number, since it uses as much as digits as its factorization.

252064361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505638.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 252064361 is about 15876.5349179221. The cubic root of 252064361 is about 631.6897286302.

The spelling of 252064361 in words is "two hundred fifty-two million, sixty-four thousand, three hundred sixty-one".