252873181 has 24 divisors (see below), whose sum is σ = 296042040. Its totient is φ = 215086080.

The previous prime is 252873157. The next prime is 252873191. The reversal of 252873181 is 181378252.

It can be written as a sum of positive squares in 4 ways, for example, as 54316900 + 198556281 = 7370^2 + 14091^2 .

It is not a de Polignac number, because 252873181 - 2¹⁷ = 252742109 is a prime.

It is a super-2 number, since 2×252873181² = 127889691338117522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252873181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252873151) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 553105 + ... + 553561.

It is an arithmetic number, because the mean of its divisors is an integer number (12335085).

Almost surely, 2^252873181 is an apocalyptic number.

It is an amenable number.

252873181 is a deficient number, since it is larger than the sum of its proper divisors (43168859).

252873181 is a wasteful number, since it uses less digits than its factorization.

252873181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 754 counting only the distinct ones).

The product of its digits is 26880, while the sum is 37.

The square root of 252873181 is about 15901.9866997806. The cubic root of 252873181 is about 632.3646591329.

The spelling of 252873181 in words is "two hundred fifty-two million, eight hundred seventy-three thousand, one hundred eighty-one".