252045311 has 4 divisors (see below), whose sum is σ = 288051792. Its totient is φ = 216038832.

The previous prime is 252045307. The next prime is 252045329. The reversal of 252045311 is 113540252.

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 252045311 - 2² = 252045307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252045341) 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, 18003230 + ... + 18003243.

It is an arithmetic number, because the mean of its divisors is an integer number (72012948).

Almost surely, 2^252045311 is an apocalyptic number.

252045311 is a deficient number, since it is larger than the sum of its proper divisors (36006481).

252045311 is an equidigital number, since it uses as much as digits as its factorization.

252045311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36006480.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 252045311 is about 15875.9349645934. The cubic root of 252045311 is about 631.6738147151.

Adding to 252045311 its reverse (113540252), we get a palindrome (365585563).

The spelling of 252045311 in words is "two hundred fifty-two million, forty-five thousand, three hundred eleven".