204161471 has 4 divisors (see below), whose sum is σ = 204222792. Its totient is φ = 204100152.

The previous prime is 204161453. The next prime is 204161473. The reversal of 204161471 is 174161402.

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 204161471 - 2⁶ = 204161407 is a prime.

It is a super-3 number, since 3×204161471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 204161471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204161473) 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, 25361 + ... + 32426.

It is an arithmetic number, because the mean of its divisors is an integer number (51055698).

Almost surely, 2^204161471 is an apocalyptic number.

204161471 is a deficient number, since it is larger than the sum of its proper divisors (61321).

204161471 is an equidigital number, since it uses as much as digits as its factorization.

204161471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61320.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 204161471 is about 14288.5083546184. The cubic root of 204161471 is about 588.8318080283.

The spelling of 204161471 in words is "two hundred four million, one hundred sixty-one thousand, four hundred seventy-one".