252813078 has 48 divisors (see below), whose sum is σ = 628842240. Its totient is φ = 71905968.

The previous prime is 252813013. The next prime is 252813083. The reversal of 252813078 is 870318252.

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, 24183 + ... + 33021.

It is an arithmetic number, because the mean of its divisors is an integer number (13100880).

Almost surely, 2^252813078 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252813078, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314421120).

252813078 is an abundant number, since it is smaller than the sum of its proper divisors (376029162).

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

252813078 is a wasteful number, since it uses less digits than its factorization.

252813078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9081 (or 9078 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 252813078 is about 15900.0967921582. The cubic root of 252813078 is about 632.3145549337.

The spelling of 252813078 in words is "two hundred fifty-two million, eight hundred thirteen thousand, seventy-eight".