252002132 has 24 divisors (see below), whose sum is σ = 449025192. Its totient is φ = 123724800.

The previous prime is 252002119. The next prime is 252002143. The reversal of 252002132 is 231200252.

It can be written as a sum of positive squares in 4 ways, for example, as 125529616 + 126472516 = 11204^2 + 11246^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 252002132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68582 + ... + 72162.

It is an arithmetic number, because the mean of its divisors is an integer number (18709383).

Almost surely, 2^252002132 is an apocalyptic number.

It is an amenable number.

252002132 is a deficient number, since it is larger than the sum of its proper divisors (197023060).

252002132 is a wasteful number, since it uses less digits than its factorization.

252002132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3899 (or 3897 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 252002132 is about 15874.5750179336. The cubic root of 252002132 is about 631.6377410409.

Adding to 252002132 its reverse (231200252), we get a palindrome (483202384).

The spelling of 252002132 in words is "two hundred fifty-two million, two thousand, one hundred thirty-two".