252606022506 has 48 divisors (see below), whose sum is σ = 548680860000. Its totient is φ = 83991747744.

The previous prime is 252606022477. The next prime is 252606022507. The reversal of 252606022506 is 605220606252.

252606022506 is a `hidden beast` number, since 2 + 5 + 26 + 0 + 602 + 25 + 0 + 6 = 666.

252606022506 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (252606022507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22081020 + ... + 22092456.

It is an arithmetic number, because the mean of its divisors is an integer number (11430851250).

Almost surely, 2^252606022506 is an apocalyptic number.

252606022506 is an abundant number, since it is smaller than the sum of its proper divisors (296074837494).

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

252606022506 is a wasteful number, since it uses less digits than its factorization.

252606022506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14403 (or 14400 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 252606022506 its reverse (605220606252), we get a palindrome (857826628758).

The spelling of 252606022506 in words is "two hundred fifty-two billion, six hundred six million, twenty-two thousand, five hundred six".