253876401 has 6 divisors (see below), whose sum is σ = 366710370. Its totient is φ = 169250928.

The previous prime is 253876393. The next prime is 253876409. The reversal of 253876401 is 104678352.

253876401 is a `hidden beast` number, since 2 + 5 + 3 + 8 + 7 + 640 + 1 = 666.

253876401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (253876393) and next prime (253876409).

It can be written as a sum of positive squares in only one way, i.e., 232532001 + 21344400 = 15249^2 + 4620^2 .

It is not a de Polignac number, because 253876401 - 2³ = 253876393 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (253876409) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14104236 + ... + 14104253.

It is an arithmetic number, because the mean of its divisors is an integer number (61118395).

Almost surely, 2^253876401 is an apocalyptic number.

It is an amenable number.

253876401 is a deficient number, since it is larger than the sum of its proper divisors (112833969).

253876401 is a wasteful number, since it uses less digits than its factorization.

253876401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28208495 (or 28208492 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 253876401 is about 15933.4993331660. The cubic root of 253876401 is about 633.1998126346.

The spelling of 253876401 in words is "two hundred fifty-three million, eight hundred seventy-six thousand, four hundred one".