252045322 has 8 divisors (see below), whose sum is σ = 391104900. Its totient is φ = 121677024.

The previous prime is 252045307. The next prime is 252045329. The reversal of 252045322 is 223540252.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 238362721 + 13682601 = 15439^2 + 3699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (252045329) 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, 2172747 + ... + 2172862.

Almost surely, 2^252045322 is an apocalyptic number.

252045322 is a deficient number, since it is larger than the sum of its proper divisors (139059578).

252045322 is a wasteful number, since it uses less digits than its factorization.

252045322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4345640.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 252045322 is about 15875.9353110297. The cubic root of 252045322 is about 631.6738239045.

Adding to 252045322 its reverse (223540252), we get a palindrome (475585574).

The spelling of 252045322 in words is "two hundred fifty-two million, forty-five thousand, three hundred twenty-two".