252530825 has 12 divisors (see below), whose sum is σ = 316659420. Its totient is φ = 199752960.

The previous prime is 252530813. The next prime is 252530827. The reversal of 252530825 is 528035252.

It can be written as a sum of positive squares in 6 ways, for example, as 85914361 + 166616464 = 9269^2 + 12908^2 .

It is not a de Polignac number, because 252530825 - 2¹⁶ = 252465289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252530791 and 252530800.

It is not an unprimeable number, because it can be changed into a prime (252530827) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54524 + ... + 58973.

It is an arithmetic number, because the mean of its divisors is an integer number (26388285).

Almost surely, 2^252530825 is an apocalyptic number.

252530825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

252530825 is a deficient number, since it is larger than the sum of its proper divisors (64128595).

252530825 is a wasteful number, since it uses less digits than its factorization.

252530825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113596 (or 113591 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 252530825 is about 15891.2184869506. The cubic root of 252530825 is about 632.0791515792.

The spelling of 252530825 in words is "two hundred fifty-two million, five hundred thirty thousand, eight hundred twenty-five".