252045605 has 16 divisors (see below), whose sum is σ = 348839040. Its totient is φ = 171243072.

The previous prime is 252045559. The next prime is 252045611. The reversal of 252045605 is 506540252.

252045605 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 252045605 - 2²² = 247851301 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29219 + ... + 36848.

It is an arithmetic number, because the mean of its divisors is an integer number (21802440).

Almost surely, 2^252045605 is an apocalyptic number.

It is an amenable number.

252045605 is a deficient number, since it is larger than the sum of its proper divisors (96793435).

252045605 is a wasteful number, since it uses less digits than its factorization.

252045605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66188.

The product of its (nonzero) digits is 12000, while the sum is 29.

The square root of 252045605 is about 15875.9442238879. The cubic root of 252045605 is about 631.6740603218.

Adding to 252045605 its reverse (506540252), we get a palindrome (758585857).

The spelling of 252045605 in words is "two hundred fifty-two million, forty-five thousand, six hundred five".