3259661 has 2 divisors, whose sum is σ = 3259662. Its totient is φ = 3259660.

The previous prime is 3259649. The next prime is 3259667. The reversal of 3259661 is 1669523.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3222025 + 37636 = 1795^2 + 194^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3259661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3259667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1629830 + 1629831.

It is an arithmetic number, because the mean of its divisors is an integer number (1629831).

Almost surely, 2^3259661 is an apocalyptic number.

It is an amenable number.

3259661 is a deficient number, since it is larger than the sum of its proper divisors (1).

3259661 is an equidigital number, since it uses as much as digits as its factorization.

3259661 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 32.

The square root of 3259661 is about 1805.4531287187. The cubic root of 3259661 is about 148.2714309170.

The spelling of 3259661 in words is "three million, two hundred fifty-nine thousand, six hundred sixty-one".