252544423225 has 6 divisors (see below), whose sum is σ = 313155084830. Its totient is φ = 202035538560.

The previous prime is 252544423217. The next prime is 252544423249. The reversal of 252544423225 is 522324445252.

252544423225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 728136256 + 251816286969 = 26984^2 + 501813^2 .

It is not a de Polignac number, because 252544423225 - 2³ = 252544423217 is a prime.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5050888440 + ... + 5050888489.

Almost surely, 2^252544423225 is an apocalyptic number.

252544423225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252544423225 is a deficient number, since it is larger than the sum of its proper divisors (60610661605).

252544423225 is a wasteful number, since it uses less digits than its factorization.

252544423225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10101776939 (or 10101776934 counting only the distinct ones).

The product of its digits is 768000, while the sum is 40.

Adding to 252544423225 its reverse (522324445252), we get a palindrome (774868868477).

The spelling of 252544423225 in words is "two hundred fifty-two billion, five hundred forty-four million, four hundred twenty-three thousand, two hundred twenty-five".