252522030530 has 96 divisors (see below), whose sum is σ = 604580070528. Its totient is φ = 74078231040.

The previous prime is 252522030529. The next prime is 252522030571. The reversal of 252522030530 is 35030225252.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 252522030493 and 252522030502.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 732884 + ... + 1020863.

It is an arithmetic number, because the mean of its divisors is an integer number (6297709068).

Almost surely, 2^252522030530 is an apocalyptic number.

252522030530 is an abundant number, since it is smaller than the sum of its proper divisors (352058039998).

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

252522030530 is a wasteful number, since it uses less digits than its factorization.

252522030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753800 (or 1753789 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 252522030530 its reverse (35030225252), we get a palindrome (287552255782).

The spelling of 252522030530 in words is "two hundred fifty-two billion, five hundred twenty-two million, thirty thousand, five hundred thirty".