204631373 has 4 divisors (see below), whose sum is σ = 208985280. Its totient is φ = 200277468.

The previous prime is 204631331. The next prime is 204631379. The reversal of 204631373 is 373136402.

It is a happy number.

204631373 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 204631373 - 2⁶ = 204631309 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 (204631379) 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, 2176883 + ... + 2176976.

It is an arithmetic number, because the mean of its divisors is an integer number (52246320).

Almost surely, 2^204631373 is an apocalyptic number.

It is an amenable number.

204631373 is a deficient number, since it is larger than the sum of its proper divisors (4353907).

204631373 is an equidigital number, since it uses as much as digits as its factorization.

204631373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353906.

The product of its (nonzero) digits is 9072, while the sum is 29.

The square root of 204631373 is about 14304.9422578352. The cubic root of 204631373 is about 589.2832174496.

Adding to 204631373 its reverse (373136402), we get a palindrome (577767775).

The spelling of 204631373 in words is "two hundred four million, six hundred thirty-one thousand, three hundred seventy-three".