252325321 has 4 divisors (see below), whose sum is σ = 252381312. Its totient is φ = 252269332.

The previous prime is 252325279. The next prime is 252325351. The reversal of 252325321 is 123523252.

252325321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 252325321 - 2¹³ = 252317129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252325351) 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, 20581 + ... + 30466.

It is an arithmetic number, because the mean of its divisors is an integer number (63095328).

Almost surely, 2^252325321 is an apocalyptic number.

It is an amenable number.

252325321 is a deficient number, since it is larger than the sum of its proper divisors (55991).

252325321 is an equidigital number, since it uses as much as digits as its factorization.

252325321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55990.

The product of its digits is 3600, while the sum is 25.

The square root of 252325321 is about 15884.7512098868. The cubic root of 252325321 is about 631.9076477043.

Adding to 252325321 its reverse (123523252), we get a palindrome (375848573).

The spelling of 252325321 in words is "two hundred fifty-two million, three hundred twenty-five thousand, three hundred twenty-one".