253086858 has 24 divisors (see below), whose sum is σ = 549273348. Its totient is φ = 84220992.

The previous prime is 253086853. The next prime is 253086877. The reversal of 253086858 is 858680352.

It is a happy number.

253086858 is a `hidden beast` number, since 2 + 530 + 8 + 68 + 58 = 666.

253086858 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 195524289 + 57562569 = 13983^2 + 7587^2 .

It is not an unprimeable number, because it can be changed into a prime (253086853) 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, 435 + ... + 22502.

Almost surely, 2^253086858 is an apocalyptic number.

253086858 is an abundant number, since it is smaller than the sum of its proper divisors (296186490).

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

253086858 is a wasteful number, since it uses less digits than its factorization.

253086858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23558 (or 23555 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 253086858 is about 15908.7038441226. The cubic root of 253086858 is about 632.5427243346.

The spelling of 253086858 in words is "two hundred fifty-three million, eighty-six thousand, eight hundred fifty-eight".