252045698 has 4 divisors (see below), whose sum is σ = 378068550. Its totient is φ = 126022848.

The previous prime is 252045683. The next prime is 252045763. The reversal of 252045698 is 896540252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 145274809 + 106770889 = 12053^2 + 10333^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63011423 + ... + 63011426.

Almost surely, 2^252045698 is an apocalyptic number.

252045698 is a deficient number, since it is larger than the sum of its proper divisors (126022852).

252045698 is a wasteful number, since it uses less digits than its factorization.

252045698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126022851.

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 252045698 is about 15875.9471528473. The cubic root of 252045698 is about 631.6741380136.

The spelling of 252045698 in words is "two hundred fifty-two million, forty-five thousand, six hundred ninety-eight".