252383278 has 16 divisors (see below), whose sum is σ = 451468800. Its totient is φ = 103461336.

The previous prime is 252383267. The next prime is 252383281. The reversal of 252383278 is 872383252.

It is an alternating number because its digits alternate between even and odd.

It is a self number, because there is not a number n which added to its sum of digits gives 252383278.

It is a congruent number.

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, 391578 + ... + 392221.

It is an arithmetic number, because the mean of its divisors is an integer number (28216800).

Almost surely, 2^252383278 is an apocalyptic number.

252383278 is a deficient number, since it is larger than the sum of its proper divisors (199085522).

252383278 is a wasteful number, since it uses less digits than its factorization.

252383278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783831.

The product of its digits is 161280, while the sum is 40.

The square root of 252383278 is about 15886.5754018920. The cubic root of 252383278 is about 631.9560252878.

The spelling of 252383278 in words is "two hundred fifty-two million, three hundred eighty-three thousand, two hundred seventy-eight".