252750278 has 16 divisors (see below), whose sum is σ = 417690000. Its totient is φ = 113748000.

The previous prime is 252750263. The next prime is 252750287. The reversal of 252750278 is 872057252.

It is a congruent 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 in 7 ways as a sum of consecutive naturals, for example, 54653 + ... + 59096.

It is an arithmetic number, because the mean of its divisors is an integer number (26105625).

Almost surely, 2^252750278 is an apocalyptic number.

252750278 is a deficient number, since it is larger than the sum of its proper divisors (164939722).

252750278 is a wasteful number, since it uses less digits than its factorization.

252750278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113863.

The product of its (nonzero) digits is 78400, while the sum is 38.

The square root of 252750278 is about 15898.1218387582. The cubic root of 252750278 is about 632.2621939261.

The spelling of 252750278 in words is "two hundred fifty-two million, seven hundred fifty thousand, two hundred seventy-eight".