253438967 has 12 divisors (see below), whose sum is σ = 268641576. Its totient is φ = 239058000.

The previous prime is 253438963. The next prime is 253438987. The reversal of 253438967 is 769834352.

It is a happy number.

It is not a de Polignac number, because 253438967 - 2² = 253438963 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253438961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89213 + ... + 92009.

It is an arithmetic number, because the mean of its divisors is an integer number (22386798).

Almost surely, 2^253438967 is an apocalyptic number.

253438967 is a deficient number, since it is larger than the sum of its proper divisors (15202609).

253438967 is a wasteful number, since it uses less digits than its factorization.

253438967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3086 (or 3067 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 47.

The square root of 253438967 is about 15919.7665497959. The cubic root of 253438967 is about 632.8359316796.

The spelling of 253438967 in words is "two hundred fifty-three million, four hundred thirty-eight thousand, nine hundred sixty-seven".