252102402 has 32 divisors (see below), whose sum is σ = 584588160. Its totient is φ = 80380080.

The previous prime is 252102377. The next prime is 252102419. The reversal of 252102402 is 204201252.

252102402 is a `hidden beast` number, since 252 + 10 + 2 + 402 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100249 + ... + 102732.

It is an arithmetic number, because the mean of its divisors is an integer number (18268380).

Almost surely, 2^252102402 is an apocalyptic number.

252102402 is an abundant number, since it is smaller than the sum of its proper divisors (332485758).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252102402 is a wasteful number, since it uses less digits than its factorization.

252102402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203015 (or 203009 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 18.

The square root of 252102402 is about 15877.7328986225. The cubic root of 252102402 is about 631.7215047741.

Adding to 252102402 its reverse (204201252), we get a palindrome (456303654).

The spelling of 252102402 in words is "two hundred fifty-two million, one hundred two thousand, four hundred two".