253868633 has 16 divisors (see below), whose sum is σ = 286560000. Its totient is φ = 223471872.

The previous prime is 253868623. The next prime is 253868647. The reversal of 253868633 is 336868352.

It is a cyclic number.

It is not a de Polignac number, because 253868633 - 2¹⁰ = 253867609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253868623) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20543 + ... + 30491.

It is an arithmetic number, because the mean of its divisors is an integer number (17910000).

Almost surely, 2^253868633 is an apocalyptic number.

It is an amenable number.

253868633 is a deficient number, since it is larger than the sum of its proper divisors (32691367).

253868633 is a wasteful number, since it uses less digits than its factorization.

253868633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10064.

The product of its digits is 622080, while the sum is 44.

The square root of 253868633 is about 15933.2555681505. The cubic root of 253868633 is about 633.1933544444.

The spelling of 253868633 in words is "two hundred fifty-three million, eight hundred sixty-eight thousand, six hundred thirty-three".