252521039 has 8 divisors (see below), whose sum is σ = 266039280. Its totient is φ = 239025600.

The previous prime is 252521033. The next prime is 252521047. The reversal of 252521039 is 930125252.

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

It is a cyclic number.

It is not a de Polignac number, because 252521039 - 2⁴ = 252521023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252521033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20069 + ... + 30129.

It is an arithmetic number, because the mean of its divisors is an integer number (33254910).

Almost surely, 2^252521039 is an apocalyptic number.

252521039 is a deficient number, since it is larger than the sum of its proper divisors (13518241).

252521039 is a wasteful number, since it uses less digits than its factorization.

252521039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11401.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 252521039 is about 15890.9105780632. The cubic root of 252521039 is about 632.0709867588.

The spelling of 252521039 in words is "two hundred fifty-two million, five hundred twenty-one thousand, thirty-nine".