252452133 has 10 divisors (see below), whose sum is σ = 377119974. Its totient is φ = 168301368.

The previous prime is 252452093. The next prime is 252452171. The reversal of 252452133 is 331254252.

It is a happy number.

252452133 is a `hidden beast` number, since 2 + 524 + 5 + 2 + 133 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213101604 + 39350529 = 14598^2 + 6273^2 .

It is not a de Polignac number, because 252452133 - 2⁸ = 252451877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 252452097 and 252452106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252452173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1558266 + ... + 1558427.

Almost surely, 2^252452133 is an apocalyptic number.

It is an amenable number.

252452133 is a deficient number, since it is larger than the sum of its proper divisors (124667841).

252452133 is an equidigital number, since it uses as much as digits as its factorization.

252452133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3116705 (or 3116696 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 252452133 is about 15888.7423353770. The cubic root of 252452133 is about 632.0134899714.

The spelling of 252452133 in words is "two hundred fifty-two million, four hundred fifty-two thousand, one hundred thirty-three".