3290561 has 2 divisors, whose sum is σ = 3290562. Its totient is φ = 3290560.

The previous prime is 3290549. The next prime is 3290579. The reversal of 3290561 is 1650923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3083536 + 207025 = 1756^2 + 455^2 .

It is an emirp because it is prime and its reverse (1650923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3290561 - 2¹⁴ = 3274177 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is equal to p₂₃₆₂₉₄ and since 3290561 and 236294 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 3290561.

It is not a weakly prime, because it can be changed into another prime (3292561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645280 + 1645281.

It is an arithmetic number, because the mean of its divisors is an integer number (1645281).

Almost surely, 2^3290561 is an apocalyptic number.

It is an amenable number.

3290561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3290561 is an equidigital number, since it uses as much as digits as its factorization.

3290561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 3290561 is about 1813.9903527858. The cubic root of 3290561 is about 148.7384719075.

The spelling of 3290561 in words is "three million, two hundred ninety thousand, five hundred sixty-one".