3455213 has 2 divisors, whose sum is σ = 3455214. Its totient is φ = 3455212.

The previous prime is 3455209. The next prime is 3455219. The reversal of 3455213 is 3125543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3396649 + 58564 = 1843^2 + 242^2 .

It is a cyclic number.

It is not a de Polignac number, because 3455213 - 2² = 3455209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3455219) 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 as a sum of consecutive naturals, namely, 1727606 + 1727607.

It is an arithmetic number, because the mean of its divisors is an integer number (1727607).

Almost surely, 2^3455213 is an apocalyptic number.

It is an amenable number.

3455213 is a deficient number, since it is larger than the sum of its proper divisors (1).

3455213 is an equidigital number, since it uses as much as digits as its factorization.

3455213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1800, while the sum is 23.

The square root of 3455213 is about 1858.8203248297. The cubic root of 3455213 is about 151.1790487519.

The spelling of 3455213 in words is "three million, four hundred fifty-five thousand, two hundred thirteen".