252493 has 4 divisors (see below), whose sum is σ = 255420. Its totient is φ = 249568.

The previous prime is 252481. The next prime is 252509. The reversal of 252493 is 394252.

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 24964 + 227529 = 158^2 + 477^2 .

It is a cyclic number.

It is not a de Polignac number, because 252493 - 2¹³ = 244301 is a prime.

It is a Duffinian number.

252493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252443) 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, 1330 + ... + 1507.

It is an arithmetic number, because the mean of its divisors is an integer number (63855).

2²⁵²⁴⁹³ is an apocalyptic number.

It is an amenable number.

252493 is a deficient number, since it is larger than the sum of its proper divisors (2927).

252493 is an equidigital number, since it uses as much as digits as its factorization.

252493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926.

The product of its digits is 2160, while the sum is 25.

The square root of 252493 is about 502.4868157474. The cubic root of 252493 is about 63.2047591620.

It can be divided in two parts, 25249 and 3, that added together give a palindrome (25252).

The spelling of 252493 in words is "two hundred fifty-two thousand, four hundred ninety-three".