253365868 has 24 divisors (see below), whose sum is σ = 517076000. Its totient is φ = 108584784.

The previous prime is 253365863. The next prime is 253365869. The reversal of 253365868 is 868563352.

253365868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (253365863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90963 + ... + 93706.

Almost surely, 2^253365868 is an apocalyptic number.

253365868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

253365868 is an abundant number, since it is smaller than the sum of its proper divisors (263710132).

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

253365868 is a wasteful number, since it uses less digits than its factorization.

253365868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184694 (or 184678 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 46.

The square root of 253365868 is about 15917.4705276938. The cubic root of 253365868 is about 632.7750832072.

The spelling of 253365868 in words is "two hundred fifty-three million, three hundred sixty-five thousand, eight hundred sixty-eight".