252247670 has 32 divisors (see below), whose sum is σ = 482749632. Its totient is φ = 94686592.

The previous prime is 252247669. The next prime is 252247673. The reversal of 252247670 is 76742252.

It is a self number, because there is not a number n which added to its sum of digits gives 252247670.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252247673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1844 + ... + 22536.

It is an arithmetic number, because the mean of its divisors is an integer number (15085926).

Almost surely, 2^252247670 is an apocalyptic number.

252247670 is a deficient number, since it is larger than the sum of its proper divisors (230501962).

252247670 is a wasteful number, since it uses less digits than its factorization.

252247670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20776.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 252247670 is about 15882.3068223731. The cubic root of 252247670 is about 631.8428196285.

The spelling of 252247670 in words is "two hundred fifty-two million, two hundred forty-seven thousand, six hundred seventy".