204040315 has 4 divisors (see below), whose sum is σ = 244848384. Its totient is φ = 163232248.

The previous prime is 204040271. The next prime is 204040363. The reversal of 204040315 is 513040402.

204040315 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.

It is a cyclic number.

It is not a de Polignac number, because 204040315 - 2²⁵ = 170485883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 204040292 and 204040301.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20404027 + ... + 20404036.

It is an arithmetic number, because the mean of its divisors is an integer number (61212096).

Almost surely, 2^204040315 is an apocalyptic number.

204040315 is a deficient number, since it is larger than the sum of its proper divisors (40808069).

204040315 is an equidigital number, since it uses as much as digits as its factorization.

204040315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40808068.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 204040315 is about 14284.2680946557. The cubic root of 204040315 is about 588.7153077197.

Adding to 204040315 its reverse (513040402), we get a palindrome (717080717).

The spelling of 204040315 in words is "two hundred four million, forty thousand, three hundred fifteen".