204172411 has 4 divisors (see below), whose sum is σ = 204229512. Its totient is φ = 204115312.

The previous prime is 204172393. The next prime is 204172421. The reversal of 204172411 is 114271402.

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 204172411 - 2²¹ = 202075259 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204172421) 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, 22801 + ... + 30466.

It is an arithmetic number, because the mean of its divisors is an integer number (51057378).

Almost surely, 2^204172411 is an apocalyptic number.

204172411 is a deficient number, since it is larger than the sum of its proper divisors (57101).

204172411 is an equidigital number, since it uses as much as digits as its factorization.

204172411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57100.

The product of its (nonzero) digits is 448, while the sum is 22.

The square root of 204172411 is about 14288.8911746153. The cubic root of 204172411 is about 588.8423253652.

The spelling of 204172411 in words is "two hundred four million, one hundred seventy-two thousand, four hundred eleven".