3345491 has 2 divisors, whose sum is σ = 3345492. Its totient is φ = 3345490.

The previous prime is 3345479. The next prime is 3345493. The reversal of 3345491 is 1945433.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3345491 is a prime.

It is a super-2 number, since 2×3345491² = 22384620062162, which contains 22 as substring.

Together with 3345493, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3345493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1672745 + 1672746.

It is an arithmetic number, because the mean of its divisors is an integer number (1672746).

Almost surely, 2^3345491 is an apocalyptic number.

3345491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3345491 is an equidigital number, since it uses as much as digits as its factorization.

3345491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 3345491 is about 1829.0683420802. The cubic root of 3345491 is about 149.5615492848.

The spelling of 3345491 in words is "three million, three hundred forty-five thousand, four hundred ninety-one".