252002311 has 4 divisors (see below), whose sum is σ = 274911624. Its totient is φ = 229093000.

The previous prime is 252002291. The next prime is 252002327. The reversal of 252002311 is 113200252.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252002311 - 2⁷ = 252002183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252002371) 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, 11454640 + ... + 11454661.

It is an arithmetic number, because the mean of its divisors is an integer number (68727906).

Almost surely, 2^252002311 is an apocalyptic number.

252002311 is a deficient number, since it is larger than the sum of its proper divisors (22909313).

252002311 is a wasteful number, since it uses less digits than its factorization.

252002311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22909312.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 252002311 is about 15874.5806558788. The cubic root of 252002311 is about 631.6378905940.

Adding to 252002311 its reverse (113200252), we get a palindrome (365202563).

The spelling of 252002311 in words is "two hundred fifty-two million, two thousand, three hundred eleven".