3205423471 has 2 divisors, whose sum is σ = 3205423472. Its totient is φ = 3205423470.

The previous prime is 3205423421. The next prime is 3205423477. The reversal of 3205423471 is 1743245023.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3205423471 - 2¹¹ = 3205421423 is a prime.

It is a super-3 number, since 3×3205423471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3205423477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1602711735 + 1602711736.

It is an arithmetic number, because the mean of its divisors is an integer number (1602711736).

Almost surely, 2^3205423471 is an apocalyptic number.

3205423471 is a deficient number, since it is larger than the sum of its proper divisors (1).

3205423471 is an equidigital number, since it uses as much as digits as its factorization.

3205423471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 3205423471 is about 56616.4593647466. The cubic root of 3205423471 is about 1474.4446394928. Note that the first 3 decimals are identical.

Adding to 3205423471 its reverse (1743245023), we get a palindrome (4948668494).

The spelling of 3205423471 in words is "three billion, two hundred five million, four hundred twenty-three thousand, four hundred seventy-one".