3068621 has 2 divisors, whose sum is σ = 3068622. Its totient is φ = 3068620.

The previous prime is 3068599. The next prime is 3068627. The reversal of 3068621 is 1268603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2856100 + 212521 = 1690^2 + 461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3068621 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3068627) 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, 1534310 + 1534311.

It is an arithmetic number, because the mean of its divisors is an integer number (1534311).

Almost surely, 2^3068621 is an apocalyptic number.

It is an amenable number.

3068621 is a deficient number, since it is larger than the sum of its proper divisors (1).

3068621 is an equidigital number, since it uses as much as digits as its factorization.

3068621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 3068621 is about 1751.7479841575. The cubic root of 3068621 is about 145.3163288235.

The spelling of 3068621 in words is "three million, sixty-eight thousand, six hundred twenty-one".