204253163 has 4 divisors (see below), whose sum is σ = 205744200. Its totient is φ = 202762128.

The previous prime is 204253129. The next prime is 204253169. The reversal of 204253163 is 361352402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 204253163 - 2¹⁸ = 203991019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204253169) 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, 745313 + ... + 745586.

It is an arithmetic number, because the mean of its divisors is an integer number (51436050).

Almost surely, 2^204253163 is an apocalyptic number.

204253163 is a deficient number, since it is larger than the sum of its proper divisors (1491037).

204253163 is a wasteful number, since it uses less digits than its factorization.

204253163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1491036.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 204253163 is about 14291.7165868905. The cubic root of 204253163 is about 588.9199459208.

The spelling of 204253163 in words is "two hundred four million, two hundred fifty-three thousand, one hundred sixty-three".