252860286 has 32 divisors (see below), whose sum is σ = 589766400. Its totient is φ = 72245208.

The previous prime is 252860263. The next prime is 252860287. The reversal of 252860286 is 682068252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252860287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59376 + ... + 63491.

It is an arithmetic number, because the mean of its divisors is an integer number (18430200).

Almost surely, 2^252860286 is an apocalyptic number.

252860286 is an abundant number, since it is smaller than the sum of its proper divisors (336906114).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

252860286 is a wasteful number, since it uses less digits than its factorization.

252860286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122893 (or 122879 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 252860286 is about 15901.5812421281. The cubic root of 252860286 is about 632.3539100282.

The spelling of 252860286 in words is "two hundred fifty-two million, eight hundred sixty thousand, two hundred eighty-six".