252347 has 4 divisors (see below), whose sum is σ = 253536. Its totient is φ = 251160.

The previous prime is 252341. The next prime is 252359. The reversal of 252347 is 743252.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 252347 - 2⁶ = 252283 is a prime.

It is a d-powerful number, because it can be written as 2 + 5⁵ + 3⁵ + 2¹⁷ + 4⁴ + 7⁶ .

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252341) 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 3 ways as a sum of consecutive naturals, for example, 179 + ... + 732.

It is an arithmetic number, because the mean of its divisors is an integer number (63384).

2²⁵²³⁴⁷ is an apocalyptic number.

252347 is a deficient number, since it is larger than the sum of its proper divisors (1189).

252347 is an equidigital number, since it uses as much as digits as its factorization.

252347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its digits is 1680, while the sum is 23.

The square root of 252347 is about 502.3415172967. The cubic root of 252347 is about 63.1925744360.

Adding to 252347 its reverse (743252), we get a palindrome (995599).

The spelling of 252347 in words is "two hundred fifty-two thousand, three hundred forty-seven".