3065861 has 2 divisors, whose sum is σ = 3065862. Its totient is φ = 3065860.

The previous prime is 3065849. The next prime is 3065863. The reversal of 3065861 is 1685603.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2825761 + 240100 = 1681^2 + 490^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3065861 is a prime.

Together with 3065863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3065863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1532930 + 1532931.

It is an arithmetic number, because the mean of its divisors is an integer number (1532931).

Almost surely, 2^3065861 is an apocalyptic number.

It is an amenable number.

3065861 is a deficient number, since it is larger than the sum of its proper divisors (1).

3065861 is an equidigital number, since it uses as much as digits as its factorization.

3065861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 3065861 is about 1750.9600223877. The cubic root of 3065861 is about 145.2727486210.

The spelling of 3065861 in words is "three million, sixty-five thousand, eight hundred sixty-one".