252181983 has 8 divisors (see below), whose sum is σ = 340499200. Its totient is φ = 165993048.

The previous prime is 252181981. The next prime is 252181997. The reversal of 252181983 is 389181252.

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

It is not a de Polignac number, because 252181983 - 2¹ = 252181981 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 (252181981) 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, 531793 + ... + 532266.

It is an arithmetic number, because the mean of its divisors is an integer number (42562400).

Almost surely, 2^252181983 is an apocalyptic number.

252181983 is a deficient number, since it is larger than the sum of its proper divisors (88317217).

252181983 is a wasteful number, since it uses less digits than its factorization.

252181983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064141.

The product of its digits is 34560, while the sum is 39.

The square root of 252181983 is about 15880.2387576510. The cubic root of 252181983 is about 631.7879694854.

The spelling of 252181983 in words is "two hundred fifty-two million, one hundred eighty-one thousand, nine hundred eighty-three".