252515 has 4 divisors (see below), whose sum is σ = 303024. Its totient is φ = 202008.

The previous prime is 252509. The next prime is 252533. The reversal of 252515 is 515252.

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 252515 - 2¹⁰ = 251491 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 252515.

It is an unprimeable number.

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, 25247 + ... + 25256.

It is an arithmetic number, because the mean of its divisors is an integer number (75756).

2²⁵²⁵¹⁵ is an apocalyptic number.

252515 is a deficient number, since it is larger than the sum of its proper divisors (50509).

252515 is an equidigital number, since it uses as much as digits as its factorization.

252515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50508.

The product of its digits is 500, while the sum is 20.

The square root of 252515 is about 502.5087063922. The cubic root of 252515 is about 63.2065948093.

Adding to 252515 its reverse (515252), we get a palindrome (767767).

It can be divided in two parts, 252 and 515, that added together give a palindrome (767).

The spelling of 252515 in words is "two hundred fifty-two thousand, five hundred fifteen".