252135102 has 16 divisors (see below), whose sum is σ = 504580752. Its totient is φ = 83993280.

The previous prime is 252135071. The next prime is 252135139. The reversal of 252135102 is 201531252.

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, 1623 + ... + 22514.

It is an arithmetic number, because the mean of its divisors is an integer number (31536297).

Almost surely, 2^252135102 is an apocalyptic number.

252135102 is an abundant number, since it is smaller than the sum of its proper divisors (252445650).

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

252135102 is a wasteful number, since it uses less digits than its factorization.

252135102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25883.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 252135102 is about 15878.7626092212. The cubic root of 252135102 is about 631.7488169561.

Adding to 252135102 its reverse (201531252), we get a palindrome (453666354).

The spelling of 252135102 in words is "two hundred fifty-two million, one hundred thirty-five thousand, one hundred two".