252039750 has 128 divisors (see below), whose sum is σ = 691891200. Its totient is φ = 60825600.

The previous prime is 252039707. The next prime is 252039757. The reversal of 252039750 is 57930252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252039757) 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 63 ways as a sum of consecutive naturals, for example, 327366 + ... + 328134.

It is an arithmetic number, because the mean of its divisors is an integer number (5405400).

Almost surely, 2^252039750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252039750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345945600).

252039750 is an abundant number, since it is smaller than the sum of its proper divisors (439851450).

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

252039750 is a wasteful number, since it uses less digits than its factorization.

252039750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 252039750 is about 15875.7598243360. The cubic root of 252039750 is about 631.6691690373.

The spelling of 252039750 in words is "two hundred fifty-two million, thirty-nine thousand, seven hundred fifty".