252253242 has 48 divisors (see below), whose sum is σ = 583345152. Its totient is φ = 78503040.

The previous prime is 252253237. The next prime is 252253289. The reversal of 252253242 is 242352252.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35617 + ... + 42107.

It is an arithmetic number, because the mean of its divisors is an integer number (12153024).

Almost surely, 2^252253242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252253242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291672576).

252253242 is an abundant number, since it is smaller than the sum of its proper divisors (331091910).

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

252253242 is a wasteful number, since it uses less digits than its factorization.

252253242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6643 (or 6640 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 252253242 is about 15882.4822367286. The cubic root of 252253242 is about 631.8474719375.

The spelling of 252253242 in words is "two hundred fifty-two million, two hundred fifty-three thousand, two hundred forty-two".