204374263 has 4 divisors (see below), whose sum is σ = 204402960. Its totient is φ = 204345568.

The previous prime is 204374197. The next prime is 204374267. The reversal of 204374263 is 362473402.

204374263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-204374263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204374267) 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, 5343 + ... + 20911.

It is an arithmetic number, because the mean of its divisors is an integer number (51100740).

Almost surely, 2^204374263 is an apocalyptic number.

204374263 is a deficient number, since it is larger than the sum of its proper divisors (28697).

204374263 is a wasteful number, since it uses less digits than its factorization.

204374263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28696.

The product of its (nonzero) digits is 24192, while the sum is 31.

The square root of 204374263 is about 14295.9526789928. The cubic root of 204374263 is about 589.0363115043.

The spelling of 204374263 in words is "two hundred four million, three hundred seventy-four thousand, two hundred sixty-three".