252045170 has 16 divisors (see below), whose sum is σ = 488580120. Its totient is φ = 93062784.

The previous prime is 252045139. The next prime is 252045181. The reversal of 252045170 is 71540252.

It can be written as a sum of positive squares in 4 ways, for example, as 176650681 + 75394489 = 13291^2 + 8683^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969275 + ... + 969534.

Almost surely, 2^252045170 is an apocalyptic number.

252045170 is a deficient number, since it is larger than the sum of its proper divisors (236534950).

252045170 is a wasteful number, since it uses less digits than its factorization.

252045170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938829.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 252045170 is about 15875.9305239095. The cubic root of 252045170 is about 631.6736969241.

The spelling of 252045170 in words is "two hundred fifty-two million, forty-five thousand, one hundred seventy".