252578830 has 48 divisors (see below), whose sum is σ = 530442000. Its totient is φ = 86341248.

The previous prime is 252578813. The next prime is 252578831. The reversal of 252578830 is 38875252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252578831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 243994 + ... + 245026.

It is an arithmetic number, because the mean of its divisors is an integer number (11050875).

Almost surely, 2^252578830 is an apocalyptic number.

252578830 is an abundant number, since it is smaller than the sum of its proper divisors (277863170).

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

252578830 is a wasteful number, since it uses less digits than its factorization.

252578830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1546 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 252578830 is about 15892.7288405736. The cubic root of 252578830 is about 632.1192008645.

The spelling of 252578830 in words is "two hundred fifty-two million, five hundred seventy-eight thousand, eight hundred thirty".