252709370 has 16 divisors (see below), whose sum is σ = 455662368. Its totient is φ = 100909200.

The previous prime is 252709357. The next prime is 252709381. The reversal of 252709370 is 73907252.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 252709370.

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 in 7 ways as a sum of consecutive naturals, for example, 15656 + ... + 27395.

It is an arithmetic number, because the mean of its divisors is an integer number (28478898).

Almost surely, 2^252709370 is an apocalyptic number.

252709370 is a deficient number, since it is larger than the sum of its proper divisors (202952998).

252709370 is a wasteful number, since it uses less digits than its factorization.

252709370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43645.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 252709370 is about 15896.8352196278. The cubic root of 252709370 is about 632.2280812338.

The spelling of 252709370 in words is "two hundred fifty-two million, seven hundred nine thousand, three hundred seventy".