252775784 has 16 divisors (see below), whose sum is σ = 474197220. Its totient is φ = 126323200.

The previous prime is 252775777. The next prime is 252775799. The reversal of 252775784 is 487577252.

It can be written as a sum of positive squares in 2 ways, for example, as 215443684 + 37332100 = 14678^2 + 6110^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11234 + ... + 25134.

Almost surely, 2^252775784 is an apocalyptic number.

It is an amenable number.

252775784 is a deficient number, since it is larger than the sum of its proper divisors (221421436).

252775784 is a wasteful number, since it uses less digits than its factorization.

252775784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180 (or 16176 counting only the distinct ones).

The product of its digits is 1097600, while the sum is 47.

The square root of 252775784 is about 15898.9239887484. The cubic root of 252775784 is about 632.2834612118.

The spelling of 252775784 in words is "two hundred fifty-two million, seven hundred seventy-five thousand, seven hundred eighty-four".