252330221625 has 32 divisors (see below), whose sum is σ = 434356041600. Its totient is φ = 129935556800.

The previous prime is 252330221579. The next prime is 252330221641. The reversal of 252330221625 is 526122033252.

It is not a de Polignac number, because 252330221625 - 2³³ = 243740287033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11590515 + ... + 11612264.

It is an arithmetic number, because the mean of its divisors is an integer number (13573626300).

Almost surely, 2^252330221625 is an apocalyptic number.

252330221625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252330221625 is a deficient number, since it is larger than the sum of its proper divisors (182025819975).

252330221625 is a wasteful number, since it uses less digits than its factorization.

252330221625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23202826 (or 23202816 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 252330221625 its reverse (526122033252), we get a palindrome (778452254877).

The spelling of 252330221625 in words is "two hundred fifty-two billion, three hundred thirty million, two hundred twenty-one thousand, six hundred twenty-five".