3213937 has 2 divisors, whose sum is σ = 3213938. Its totient is φ = 3213936.

The previous prime is 3213893. The next prime is 3213961. The reversal of 3213937 is 7393123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2337841 + 876096 = 1529^2 + 936^2 .

It is an emirp because it is prime and its reverse (7393123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3213937 - 2¹¹ = 3211889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3213137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1606968 + 1606969.

It is an arithmetic number, because the mean of its divisors is an integer number (1606969).

Almost surely, 2^3213937 is an apocalyptic number.

It is an amenable number.

3213937 is a deficient number, since it is larger than the sum of its proper divisors (1).

3213937 is an equidigital number, since it uses as much as digits as its factorization.

3213937 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3402, while the sum is 28.

The square root of 3213937 is about 1792.7456595959. The cubic root of 3213937 is about 147.5748848898.

The spelling of 3213937 in words is "three million, two hundred thirteen thousand, nine hundred thirty-seven".