253286568 has 64 divisors (see below), whose sum is σ = 740616000. Its totient is φ = 79983936.

The previous prime is 253286563. The next prime is 253286573. The reversal of 253286568 is 865682352.

253286568 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 86 + 568 = 666.

It is an interprime number because it is at equal distance from previous prime (253286563) and next prime (253286573).

It is not an unprimeable number, because it can be changed into a prime (253286563) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26755 + ... + 34962.

It is an arithmetic number, because the mean of its divisors is an integer number (11572125).

Almost surely, 2^253286568 is an apocalyptic number.

It is an amenable number.

253286568 is an abundant number, since it is smaller than the sum of its proper divisors (487329432).

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

253286568 is a wasteful number, since it uses less digits than its factorization.

253286568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61751 (or 61741 counting only the distinct ones).

The product of its digits is 691200, while the sum is 45.

The square root of 253286568 is about 15914.9793590818. The cubic root of 253286568 is about 632.7090597125.

The spelling of 253286568 in words is "two hundred fifty-three million, two hundred eighty-six thousand, five hundred sixty-eight".