252302307 has 4 divisors (see below), whose sum is σ = 336403080. Its totient is φ = 168201536.

The previous prime is 252302299. The next prime is 252302317. The reversal of 252302307 is 703203252.

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 252302307 - 2³ = 252302299 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252302317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42050382 + ... + 42050387.

It is an arithmetic number, because the mean of its divisors is an integer number (84100770).

Almost surely, 2^252302307 is an apocalyptic number.

252302307 is a deficient number, since it is larger than the sum of its proper divisors (84100773).

252302307 is an equidigital number, since it uses as much as digits as its factorization.

252302307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84100772.

The product of its (nonzero) digits is 2520, while the sum is 24.

The square root of 252302307 is about 15884.0267879401. The cubic root of 252302307 is about 631.8884355160. Note that the first 3 decimals are identical.

Adding to 252302307 its reverse (703203252), we get a palindrome (955505559).

The spelling of 252302307 in words is "two hundred fifty-two million, three hundred two thousand, three hundred seven".