252131 has 4 divisors (see below), whose sum is σ = 275064. Its totient is φ = 229200.

The previous prime is 252101. The next prime is 252139. The reversal of 252131 is 131252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 252131 - 2¹⁴ = 235747 is a prime.

It is a super-2 number, since 2×252131² = 127140082322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11450 + ... + 11471.

It is an arithmetic number, because the mean of its divisors is an integer number (68766).

2²⁵²¹³¹ is an apocalyptic number.

252131 is a deficient number, since it is larger than the sum of its proper divisors (22933).

252131 is a wasteful number, since it uses less digits than its factorization.

252131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22932.

The product of its digits is 60, while the sum is 14.

The square root of 252131 is about 502.1264780909. The cubic root of 252131 is about 63.1745390952.

Adding to 252131 its reverse (131252), we get a palindrome (383383).

It can be divided in two parts, 2521 and 31, that added together give a palindrome (2552).

The spelling of 252131 in words is "two hundred fifty-two thousand, one hundred thirty-one".