252078488 has 16 divisors (see below), whose sum is σ = 473679360. Its totient is φ = 125764000.

The previous prime is 252078487. The next prime is 252078557. The reversal of 252078488 is 884870252.

It is a super-2 number, since 2×252078488² = 127087128224732288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252078481) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 30488 + ... + 37863.

It is an arithmetic number, because the mean of its divisors is an integer number (29604960).

Almost surely, 2^252078488 is an apocalyptic number.

It is an amenable number.

252078488 is a deficient number, since it is larger than the sum of its proper divisors (221600872).

252078488 is a wasteful number, since it uses less digits than its factorization.

252078488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68818 (or 68814 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 44.

The square root of 252078488 is about 15876.9798135540. The cubic root of 252078488 is about 631.7015294708.

The spelling of 252078488 in words is "two hundred fifty-two million, seventy-eight thousand, four hundred eighty-eight".