252715250 has 16 divisors (see below), whose sum is σ = 473083416. Its totient is φ = 101086000.

The previous prime is 252715249. The next prime is 252715259. The reversal of 252715250 is 52517252.

It can be written as a sum of positive squares in 4 ways, for example, as 71893441 + 180821809 = 8479^2 + 13447^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (252715259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505181 + ... + 505680.

Almost surely, 2^252715250 is an apocalyptic number.

252715250 is a deficient number, since it is larger than the sum of its proper divisors (220368166).

252715250 is a wasteful number, since it uses less digits than its factorization.

252715250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010878 (or 1010868 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 252715250 is about 15897.0201610239. The cubic root of 252715250 is about 632.2329847221.

The spelling of 252715250 in words is "two hundred fifty-two million, seven hundred fifteen thousand, two hundred fifty".