253985146 has 16 divisors (see below), whose sum is σ = 386193024. Its totient is φ = 125259264.

The previous prime is 253985129. The next prime is 253985153. The reversal of 253985146 is 641589352.

253985146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190735 + ... + 192061.

It is an arithmetic number, because the mean of its divisors is an integer number (24137064).

Almost surely, 2^253985146 is an apocalyptic number.

253985146 is a deficient number, since it is larger than the sum of its proper divisors (132207878).

253985146 is a wasteful number, since it uses less digits than its factorization.

253985146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2565.

The product of its digits is 259200, while the sum is 43.

The square root of 253985146 is about 15936.9114322694. The cubic root of 253985146 is about 633.2902076514.

The spelling of 253985146 in words is "two hundred fifty-three million, nine hundred eighty-five thousand, one hundred forty-six".