204280471 has 4 divisors (see below), whose sum is σ = 208626912. Its totient is φ = 199934032.

The previous prime is 204280459. The next prime is 204280481. The reversal of 204280471 is 174082402.

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 204280471 - 2²³ = 195891863 is a prime.

It is a super-3 number, since 3×204280471³ (a number of 26 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204280481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2173150 + ... + 2173243.

It is an arithmetic number, because the mean of its divisors is an integer number (52156728).

Almost surely, 2^204280471 is an apocalyptic number.

204280471 is a deficient number, since it is larger than the sum of its proper divisors (4346441).

204280471 is an equidigital number, since it uses as much as digits as its factorization.

204280471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4346440.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 204280471 is about 14292.6719335469. The cubic root of 204280471 is about 588.9461903275.

The spelling of 204280471 in words is "two hundred four million, two hundred eighty thousand, four hundred seventy-one".