252665 has 8 divisors (see below), whose sum is σ = 346560. Its totient is φ = 173232.

The previous prime is 252641. The next prime is 252667. The reversal of 252665 is 566252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252665 - 2⁸ = 252409 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575 + ... + 3644.

It is an arithmetic number, because the mean of its divisors is an integer number (43320).

2²⁵²⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

252665 is a deficient number, since it is larger than the sum of its proper divisors (93895).

252665 is an equidigital number, since it uses as much as digits as its factorization.

252665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7231.

The product of its digits is 3600, while the sum is 26.

The square root of 252665 is about 502.6579353795. The cubic root of 252665 is about 63.2191077459.

The spelling of 252665 in words is "two hundred fifty-two thousand, six hundred sixty-five".