252442535506 has 8 divisors (see below), whose sum is σ = 432758632320. Its totient is φ = 108189658068.

The previous prime is 252442535489. The next prime is 252442535557. The reversal of 252442535506 is 605535244252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9015804826 + ... + 9015804853.

It is an arithmetic number, because the mean of its divisors is an integer number (54094829040).

Almost surely, 2^252442535506 is an apocalyptic number.

252442535506 is a deficient number, since it is larger than the sum of its proper divisors (180316096814).

252442535506 is a wasteful number, since it uses less digits than its factorization.

252442535506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18031609688.

The product of its (nonzero) digits is 1440000, while the sum is 43.

Adding to 252442535506 its reverse (605535244252), we get a palindrome (857977779758).

The spelling of 252442535506 in words is "two hundred fifty-two billion, four hundred forty-two million, five hundred thirty-five thousand, five hundred six".