252320111 has 8 divisors (see below), whose sum is σ = 257986560. Its totient is φ = 246666168.

The previous prime is 252320077. The next prime is 252320141. The reversal of 252320111 is 111023252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-252320111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252320111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252320141) 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, 46250 + ... + 51416.

It is an arithmetic number, because the mean of its divisors is an integer number (32248320).

Almost surely, 2^252320111 is an apocalyptic number.

252320111 is a deficient number, since it is larger than the sum of its proper divisors (5666449).

252320111 is a wasteful number, since it uses less digits than its factorization.

252320111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6253.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 252320111 is about 15884.5872152851. The cubic root of 252320111 is about 631.9032984757.

Adding to 252320111 its reverse (111023252), we get a palindrome (363343363).

The spelling of 252320111 in words is "two hundred fifty-two million, three hundred twenty thousand, one hundred eleven".