252111303 has 24 divisors (see below), whose sum is σ = 390275808. Its totient is φ = 156416832.

The previous prime is 252111283. The next prime is 252111311. The reversal of 252111303 is 303111252.

252111303 is a `hidden beast` number, since 252 + 111 + 303 = 666.

It is not a de Polignac number, because 252111303 - 2⁵ = 252111271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252111103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8800 + ... + 24117.

It is an arithmetic number, because the mean of its divisors is an integer number (16261492).

Almost surely, 2^252111303 is an apocalyptic number.

252111303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

252111303 is a deficient number, since it is larger than the sum of its proper divisors (138164505).

252111303 is a wasteful number, since it uses less digits than its factorization.

252111303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32983 (or 32980 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 252111303 is about 15878.0131943515. The cubic root of 252111303 is about 631.7289394341.

Adding to 252111303 its reverse (303111252), we get a palindrome (555222555).

It can be divided in two parts, 2521 and 11303, that added together give a cube (13824 = 24³).

The spelling of 252111303 in words is "two hundred fifty-two million, one hundred eleven thousand, three hundred three".