252613 has 4 divisors (see below), whose sum is σ = 254380. Its totient is φ = 250848.

The previous prime is 252611. The next prime is 252617. The reversal of 252613 is 316252.

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 178084 + 74529 = 422^2 + 273^2 .

It is a cyclic number.

It is not a de Polignac number, because 252613 - 2¹ = 252611 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 (252611) 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, 648 + ... + 961.

It is an arithmetic number, because the mean of its divisors is an integer number (63595).

2²⁵²⁶¹³ is an apocalyptic number.

It is an amenable number.

252613 is a deficient number, since it is larger than the sum of its proper divisors (1767).

252613 is a wasteful number, since it uses less digits than its factorization.

252613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1766.

The product of its digits is 360, while the sum is 19.

The square root of 252613 is about 502.6062076815. The cubic root of 252613 is about 63.2147704889.

Adding to 252613 its reverse (316252), we get a palindrome (568865).

The spelling of 252613 in words is "two hundred fifty-two thousand, six hundred thirteen".