253679937 has 8 divisors (see below), whose sum is σ = 386559936. Its totient is φ = 144959952.

The previous prime is 253679917. The next prime is 253680013. The reversal of 253679937 is 739976352.

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

It is not a de Polignac number, because 253679937 - 2⁷ = 253679809 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 253679937.

It is not an unprimeable number, because it can be changed into a prime (253679917) 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, 6039978 + ... + 6040019.

It is an arithmetic number, because the mean of its divisors is an integer number (48319992).

Almost surely, 2^253679937 is an apocalyptic number.

It is an amenable number.

253679937 is a deficient number, since it is larger than the sum of its proper divisors (132879999).

253679937 is a wasteful number, since it uses less digits than its factorization.

253679937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12080007.

The product of its digits is 2143260, while the sum is 51.

The square root of 253679937 is about 15927.3330159195. Note that the first 3 decimals coincide. The cubic root of 253679937 is about 633.0364351396.

The spelling of 253679937 in words is "two hundred fifty-three million, six hundred seventy-nine thousand, nine hundred thirty-seven".