252307 has 4 divisors (see below), whose sum is σ = 275256. Its totient is φ = 229360.

The previous prime is 252293. The next prime is 252313. The reversal of 252307 is 703252.

It is a happy number.

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 252307 - 2¹¹ = 250259 is a prime.

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 (252607) by changing a digit.

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, 11458 + ... + 11479.

It is an arithmetic number, because the mean of its divisors is an integer number (68814).

2²⁵²³⁰⁷ is an apocalyptic number.

252307 is a deficient number, since it is larger than the sum of its proper divisors (22949).

252307 is a wasteful number, since it uses less digits than its factorization.

252307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22948.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 252307 is about 502.3017021671. The cubic root of 252307 is about 63.1892353348.

Adding to 252307 its reverse (703252), we get a palindrome (955559).

It can be divided in two parts, 25 and 2307, that multiplied together give a palindrome (57675).

The spelling of 252307 in words is "two hundred fifty-two thousand, three hundred seven".