253673889 has 8 divisors (see below), whose sum is σ = 386550720. Its totient is φ = 144956496.

The previous prime is 253673851. The next prime is 253673897. The reversal of 253673889 is 988376352.

253673889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 253673889 - 2⁹ = 253673377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253673089) 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, 6039834 + ... + 6039875.

It is an arithmetic number, because the mean of its divisors is an integer number (48318840).

Almost surely, 2^253673889 is an apocalyptic number.

It is an amenable number.

253673889 is a deficient number, since it is larger than the sum of its proper divisors (132876831).

253673889 is a wasteful number, since it uses less digits than its factorization.

253673889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12079719.

The product of its digits is 2177280, while the sum is 51.

The square root of 253673889 is about 15927.1431524929. The cubic root of 253673889 is about 633.0314043453.

The spelling of 253673889 in words is "two hundred fifty-three million, six hundred seventy-three thousand, eight hundred eighty-nine".