252345 has 8 divisors (see below), whose sum is σ = 403776. Its totient is φ = 134576.

The previous prime is 252341. The next prime is 252359. The reversal of 252345 is 543252.

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 252345 - 2² = 252341 is a prime.

It is an Ulam number.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (252341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8397 + ... + 8426.

It is an arithmetic number, because the mean of its divisors is an integer number (50472).

2²⁵²³⁴⁵ is an apocalyptic number.

It is an amenable number.

252345 is a deficient number, since it is larger than the sum of its proper divisors (151431).

252345 is a wasteful number, since it uses less digits than its factorization.

252345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16831.

The product of its digits is 1200, while the sum is 21.

The square root of 252345 is about 502.3395266152. The cubic root of 252345 is about 63.1924074893.

Adding to 252345 its reverse (543252), we get a palindrome (795597).

The spelling of 252345 in words is "two hundred fifty-two thousand, three hundred forty-five".