3258391 has 2 divisors, whose sum is σ = 3258392. Its totient is φ = 3258390.

The previous prime is 3258389. The next prime is 3258413. The reversal of 3258391 is 1938523.

It is a happy number.

3258391 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3258391 - 2¹ = 3258389 is a prime.

It is a super-2 number, since 2×3258391² = 21234223817762, which contains 22 as substring.

Together with 3258389, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3258301) 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, 1629195 + 1629196.

It is an arithmetic number, because the mean of its divisors is an integer number (1629196).

Almost surely, 2^3258391 is an apocalyptic number.

3258391 is a deficient number, since it is larger than the sum of its proper divisors (1).

3258391 is an equidigital number, since it uses as much as digits as its factorization.

3258391 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 3258391 is about 1805.1013821944. The cubic root of 3258391 is about 148.2521723522.

The spelling of 3258391 in words is "three million, two hundred fifty-eight thousand, three hundred ninety-one".