252344223225 has 18 divisors (see below), whose sum is σ = 451976542446. Its totient is φ = 134583585600.

The previous prime is 252344223193. The next prime is 252344223277. The reversal of 252344223225 is 522322443252.

252344223225 is a `hidden beast` number, since 2 + 5 + 2 + 3 + 4 + 422 + 3 + 225 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 17208454761 + 235135768464 = 131181^2 + 484908^2 .

It is not a de Polignac number, because 252344223225 - 2⁵ = 252344223193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 252344223225.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 560764716 + ... + 560765165.

Almost surely, 2^252344223225 is an apocalyptic number.

252344223225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252344223225 is a deficient number, since it is larger than the sum of its proper divisors (199632319221).

252344223225 is a wasteful number, since it uses less digits than its factorization.

252344223225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121529897 (or 1121529889 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

Adding to 252344223225 its reverse (522322443252), we get a palindrome (774666666477).

The spelling of 252344223225 in words is "two hundred fifty-two billion, three hundred forty-four million, two hundred twenty-three thousand, two hundred twenty-five".