252252045 has 24 divisors (see below), whose sum is σ = 441573912. Its totient is φ = 133200000.

The previous prime is 252252041. The next prime is 252252059. The reversal of 252252045 is 540252252.

252252045 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 4 ways, for example, as 127103076 + 125148969 = 11274^2 + 11187^2 .

It is not a de Polignac number, because 252252045 - 2² = 252252041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252252041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23206 + ... + 32295.

It is an arithmetic number, because the mean of its divisors is an integer number (18398913).

Almost surely, 2^252252045 is an apocalyptic number.

It is an amenable number.

252252045 is a deficient number, since it is larger than the sum of its proper divisors (189321867).

252252045 is a wasteful number, since it uses less digits than its factorization.

252252045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55613 (or 55610 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 27.

The square root of 252252045 is about 15882.4445536573. Note that the first 3 decimals coincide. The cubic root of 252252045 is about 631.8464725151.

The spelling of 252252045 in words is "two hundred fifty-two million, two hundred fifty-two thousand, forty-five".