253855671 has 8 divisors (see below), whose sum is σ = 338548224. Its totient is φ = 169200120.

The previous prime is 253855649. The next prime is 253855691. The reversal of 253855671 is 176558352.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 253855671 - 2⁵ = 253855639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253855691) 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, 19756 + ... + 29966.

It is an arithmetic number, because the mean of its divisors is an integer number (42318528).

Almost surely, 2^253855671 is an apocalyptic number.

253855671 is a deficient number, since it is larger than the sum of its proper divisors (84692553).

253855671 is a wasteful number, since it uses less digits than its factorization.

253855671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18501.

The product of its digits is 252000, while the sum is 42.

The square root of 253855671 is about 15932.8488036509. The cubic root of 253855671 is about 633.1825777527.

The spelling of 253855671 in words is "two hundred fifty-three million, eight hundred fifty-five thousand, six hundred seventy-one".