253745696 has 24 divisors (see below), whose sum is σ = 502084800. Its totient is φ = 126232128.

The previous prime is 253745677. The next prime is 253745707. The reversal of 253745696 is 696547352.

It is a self number, because there is not a number n which added to its sum of digits gives 253745696.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13556 + ... + 26291.

It is an arithmetic number, because the mean of its divisors is an integer number (20920200).

Almost surely, 2^253745696 is an apocalyptic number.

It is an amenable number.

253745696 is a deficient number, since it is larger than the sum of its proper divisors (248339104).

253745696 is a wasteful number, since it uses less digits than its factorization.

253745696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40056 (or 40048 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 47.

The square root of 253745696 is about 15929.3972265117. The cubic root of 253745696 is about 633.0911290544.

The spelling of 253745696 in words is "two hundred fifty-three million, seven hundred forty-five thousand, six hundred ninety-six".