253871673 has 24 divisors (see below), whose sum is σ = 391658400. Its totient is φ = 145759680.

The previous prime is 253871671. The next prime is 253871701. The reversal of 253871673 is 376178352.

253871673 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 253871673 - 2¹ = 253871671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253871671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11508 + ... + 25301.

It is an arithmetic number, because the mean of its divisors is an integer number (16319100).

Almost surely, 2^253871673 is an apocalyptic number.

It is an amenable number.

253871673 is a deficient number, since it is larger than the sum of its proper divisors (137786727).

253871673 is a wasteful number, since it uses less digits than its factorization.

253871673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36853 (or 36842 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 253871673 is about 15933.3509658201. The cubic root of 253871673 is about 633.1958818672.

The spelling of 253871673 in words is "two hundred fifty-three million, eight hundred seventy-one thousand, six hundred seventy-three".