253674556 has 12 divisors (see below), whose sum is σ = 445837392. Its totient is φ = 126292448.

The previous prime is 253674517. The next prime is 253674559. The reversal of 253674556 is 655476352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253674559) 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, 135160 + ... + 137023.

It is an arithmetic number, because the mean of its divisors is an integer number (37153116).

Almost surely, 2^253674556 is an apocalyptic number.

It is an amenable number.

253674556 is a deficient number, since it is larger than the sum of its proper divisors (192162836).

253674556 is a wasteful number, since it uses less digits than its factorization.

253674556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272420 (or 272418 counting only the distinct ones).

The product of its digits is 756000, while the sum is 43.

The square root of 253674556 is about 15927.1640915764. The cubic root of 253674556 is about 633.0319591673.

The spelling of 253674556 in words is "two hundred fifty-three million, six hundred seventy-four thousand, five hundred fifty-six".