252081 has 12 divisors (see below), whose sum is σ = 374452. Its totient is φ = 163296.

The previous prime is 252079. The next prime is 252101. The reversal of 252081 is 180252.

It can be written as a sum of positive squares in 2 ways, for example, as 194481 + 57600 = 441^2 + 240^2 .

It is not a de Polignac number, because 252081 - 2¹ = 252079 is a prime.

It is a super-3 number, since 3×252081³ = 48055333297942323, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46 + ... + 711.

2²⁵²⁰⁸¹ is an apocalyptic number.

It is an amenable number.

252081 is a deficient number, since it is larger than the sum of its proper divisors (122371).

252081 is a wasteful number, since it uses less digits than its factorization.

252081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 252081 is about 502.0766873696. The cubic root of 252081 is about 63.1703627797.

It can be divided in two parts, 2520 and 81, that added together give a square (2601 = 51²).

The spelling of 252081 in words is "two hundred fifty-two thousand, eighty-one".