252245225 has 12 divisors (see below), whose sum is σ = 314273040. Its totient is φ = 200835600.

The previous prime is 252245207. The next prime is 252245239. The reversal of 252245225 is 522542252.

It is a de Polignac number, because none of the positive numbers 2^k-252245225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18635 + ... + 29184.

It is an arithmetic number, because the mean of its divisors is an integer number (26189420).

Almost surely, 2^252245225 is an apocalyptic number.

252245225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252245225 is a deficient number, since it is larger than the sum of its proper divisors (62027815).

252245225 is a wasteful number, since it uses less digits than its factorization.

252245225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48040 (or 48035 counting only the distinct ones).

The product of its digits is 16000, while the sum is 29.

The square root of 252245225 is about 15882.2298497409. The cubic root of 252245225 is about 631.8407781684.

Adding to 252245225 its reverse (522542252), we get a palindrome (774787477).

The spelling of 252245225 in words is "two hundred fifty-two million, two hundred forty-five thousand, two hundred twenty-five".