3285431 has 2 divisors, whose sum is σ = 3285432. Its totient is φ = 3285430.

The previous prime is 3285427. The next prime is 3285433. The reversal of 3285431 is 1345823.

3285431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3285431 - 2² = 3285427 is a prime.

It is a super-2 number, since 2×3285431² = 21588113711522, which contains 22 as substring.

Together with 3285433, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3285431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3285433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1642715 + 1642716.

It is an arithmetic number, because the mean of its divisors is an integer number (1642716).

Almost surely, 2^3285431 is an apocalyptic number.

3285431 is a deficient number, since it is larger than the sum of its proper divisors (1).

3285431 is an equidigital number, since it uses as much as digits as its factorization.

3285431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 26.

The square root of 3285431 is about 1812.5757915188. The cubic root of 3285431 is about 148.6611370471.

The spelling of 3285431 in words is "three million, two hundred eighty-five thousand, four hundred thirty-one".