252432516 has 72 divisors (see below), whose sum is σ = 687773856. Its totient is φ = 71850240.

The previous prime is 252432511. The next prime is 252432527. The reversal of 252432516 is 615234252.

It is not an unprimeable number, because it can be changed into a prime (252432511) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 193980 + ... + 195276.

Almost surely, 2^252432516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 252432516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343886928).

252432516 is an abundant number, since it is smaller than the sum of its proper divisors (435341340).

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

252432516 is a wasteful number, since it uses less digits than its factorization.

252432516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1649 (or 1640 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 252432516 is about 15888.1249995083. The cubic root of 252432516 is about 631.9971191718.

Adding to 252432516 its reverse (615234252), we get a palindrome (867666768).

The spelling of 252432516 in words is "two hundred fifty-two million, four hundred thirty-two thousand, five hundred sixteen".