252149750 has 32 divisors (see below), whose sum is σ = 473271552. Its totient is φ = 100593600.

The previous prime is 252149699. The next prime is 252149771. The reversal of 252149750 is 57941252.

It is a self number, because there is not a number n which added to its sum of digits gives 252149750.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113147 + ... + 115353.

It is an arithmetic number, because the mean of its divisors is an integer number (14789736).

Almost surely, 2^252149750 is an apocalyptic number.

252149750 is a deficient number, since it is larger than the sum of its proper divisors (221121802).

252149750 is a wasteful number, since it uses less digits than its factorization.

252149750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2681 (or 2671 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 35.

The square root of 252149750 is about 15879.2238475311. The cubic root of 252149750 is about 631.7610507115.

The spelling of 252149750 in words is "two hundred fifty-two million, one hundred forty-nine thousand, seven hundred fifty".