253644105 has 32 divisors (see below), whose sum is σ = 476784000. Its totient is φ = 113518080.

The previous prime is 253644089. The next prime is 253644113. The reversal of 253644105 is 501446352.

It is not a de Polignac number, because 253644105 - 2⁴ = 253644089 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56980 + ... + 61269.

It is an arithmetic number, because the mean of its divisors is an integer number (14899500).

Almost surely, 2^253644105 is an apocalyptic number.

It is an amenable number.

253644105 is a deficient number, since it is larger than the sum of its proper divisors (223139895).

253644105 is a wasteful number, since it uses less digits than its factorization.

253644105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118281.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 253644105 is about 15926.2081174396. The cubic root of 253644105 is about 633.0066285129.

The spelling of 253644105 in words is "two hundred fifty-three million, six hundred forty-four thousand, one hundred five".