253289968 has 20 divisors (see below), whose sum is σ = 500010408. Its totient is φ = 124255040.

The previous prime is 253289963. The next prime is 253289977. The reversal of 253289968 is 869982352.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253289963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148498 + ... + 150193.

Almost surely, 2^253289968 is an apocalyptic number.

It is an amenable number.

253289968 is a deficient number, since it is larger than the sum of its proper divisors (246720440).

253289968 is a wasteful number, since it uses less digits than its factorization.

253289968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298752 (or 298746 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 52.

The square root of 253289968 is about 15915.0861763297. The cubic root of 253289968 is about 632.7118907630.

The spelling of 253289968 in words is "two hundred fifty-three million, two hundred eighty-nine thousand, nine hundred sixty-eight".