252189502 has 8 divisors (see below), whose sum is σ = 378466416. Its totient is φ = 126034032.

The previous prime is 252189499. The next prime is 252189517. The reversal of 252189502 is 205981252.

It is a happy number.

252189502 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24978 + ... + 33589.

It is an arithmetic number, because the mean of its divisors is an integer number (47308302).

Almost surely, 2^252189502 is an apocalyptic number.

252189502 is a deficient number, since it is larger than the sum of its proper divisors (126276914).

252189502 is a wasteful number, since it uses less digits than its factorization.

252189502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60722.

The product of its (nonzero) digits is 14400, while the sum is 34.

The square root of 252189502 is about 15880.4754966594. The cubic root of 252189502 is about 631.7942485046.

The spelling of 252189502 in words is "two hundred fifty-two million, one hundred eighty-nine thousand, five hundred two".