252045764 has 6 divisors (see below), whose sum is σ = 441080094. Its totient is φ = 126022880.

The previous prime is 252045763. The next prime is 252045769. The reversal of 252045764 is 467540252.

252045764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 236913664 + 15132100 = 15392^2 + 3890^2 .

It is not an unprimeable number, because it can be changed into a prime (252045763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31505717 + ... + 31505724.

It is an arithmetic number, because the mean of its divisors is an integer number (73513349).

Almost surely, 2^252045764 is an apocalyptic number.

It is an amenable number.

252045764 is a deficient number, since it is larger than the sum of its proper divisors (189034330).

252045764 is a wasteful number, since it uses less digits than its factorization.

252045764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63011445 (or 63011443 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The square root of 252045764 is about 15875.9492314633. The cubic root of 252045764 is about 631.6741931498.

It can be divided in two parts, 2520 and 45764, that added together give a palindrome (48284).

The spelling of 252045764 in words is "two hundred fifty-two million, forty-five thousand, seven hundred sixty-four".