252543510 has 48 divisors (see below), whose sum is σ = 657779616. Its totient is φ = 67225344.

The previous prime is 252543509. The next prime is 252543539. The reversal of 252543510 is 15345252.

It is a happy number.

It is a Curzon number.

It is a congruent number.

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, 56062 + ... + 60398.

It is an arithmetic number, because the mean of its divisors is an integer number (13703742).

Almost surely, 2^252543510 is an apocalyptic number.

252543510 is an abundant number, since it is smaller than the sum of its proper divisors (405236106).

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

252543510 is a wasteful number, since it uses less digits than its factorization.

252543510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4997 (or 4994 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 252543510 is about 15891.6176017421. The cubic root of 252543510 is about 632.0897348282.

Adding to 252543510 its reverse (15345252), we get a palindrome (267888762).

The spelling of 252543510 in words is "two hundred fifty-two million, five hundred forty-three thousand, five hundred ten".