3335561 has 2 divisors, whose sum is σ = 3335562. Its totient is φ = 3335560.

The previous prime is 3335537. The next prime is 3335567. The reversal of 3335561 is 1655333.

3335561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1849600 + 1485961 = 1360^2 + 1219^2 .

It is a cyclic number.

It is not a de Polignac number, because 3335561 - 2¹⁴ = 3319177 is a prime.

It is a super-2 number, since 2×3335561² = 22251934369442, which contains 22 as substring.

It is equal to p₂₃₉₂₅₅ and since 3335561 and 239255 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3335561.

It is not a weakly prime, because it can be changed into another prime (3335567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1667780 + 1667781.

It is an arithmetic number, because the mean of its divisors is an integer number (1667781).

Almost surely, 2^3335561 is an apocalyptic number.

It is an amenable number.

3335561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3335561 is an equidigital number, since it uses as much as digits as its factorization.

3335561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4050, while the sum is 26.

The square root of 3335561 is about 1826.3518280988. The cubic root of 3335561 is about 149.4134277282.

The spelling of 3335561 in words is "three million, three hundred thirty-five thousand, five hundred sixty-one".