252192078 has 48 divisors (see below), whose sum is σ = 563462640. Its totient is φ = 81482112.

The previous prime is 252192067. The next prime is 252192089. The reversal of 252192078 is 870291252.

It is an interprime number because it is at equal distance from previous prime (252192067) and next prime (252192089).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75900 + ... + 79152.

It is an arithmetic number, because the mean of its divisors is an integer number (11738805).

Almost surely, 2^252192078 is an apocalyptic number.

252192078 is an abundant number, since it is smaller than the sum of its proper divisors (311270562).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252192078 is a wasteful number, since it uses less digits than its factorization.

252192078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3393 (or 3390 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 252192078 is about 15880.5566023361. The cubic root of 252192078 is about 631.7963996600.

The spelling of 252192078 in words is "two hundred fifty-two million, one hundred ninety-two thousand, seventy-eight".