252113 has 4 divisors (see below), whose sum is σ = 256308. Its totient is φ = 247920.

The previous prime is 252101. The next prime is 252139. The reversal of 252113 is 311252.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 82369 + 169744 = 287^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 252113 - 2⁸ = 251857 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 8.

It is not an unprimeable number, because it can be changed into a prime (252143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2006 + ... + 2127.

It is an arithmetic number, because the mean of its divisors is an integer number (64077).

2²⁵²¹¹³ is an apocalyptic number.

It is an amenable number.

252113 is a deficient number, since it is larger than the sum of its proper divisors (4195).

252113 is an equidigital number, since it uses as much as digits as its factorization.

252113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4194.

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

The square root of 252113 is about 502.1085540000. The cubic root of 252113 is about 63.1730356852.

Adding to 252113 its reverse (311252), we get a palindrome (563365).

It can be divided in two parts, 25 and 2113, that multiplied together give a palindrome (52825).

The spelling of 252113 in words is "two hundred fifty-two thousand, one hundred thirteen".