252115 has 4 divisors (see below), whose sum is σ = 302544. Its totient is φ = 201688.

The previous prime is 252101. The next prime is 252139. The reversal of 252115 is 511252.

252115 is nontrivially palindromic in base 16.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252115 is a prime.

It is a Duffinian number.

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, 25207 + ... + 25216.

It is an arithmetic number, because the mean of its divisors is an integer number (75636).

2²⁵²¹¹⁵ is an apocalyptic number.

252115 is a deficient number, since it is larger than the sum of its proper divisors (50429).

252115 is an equidigital number, since it uses as much as digits as its factorization.

252115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50428.

The product of its digits is 100, while the sum is 16.

The square root of 252115 is about 502.1105455973. The cubic root of 252115 is about 63.1732027343.

Adding to 252115 its reverse (511252), we get a palindrome (763367).

The spelling of 252115 in words is "two hundred fifty-two thousand, one hundred fifteen".