3269561 has 2 divisors, whose sum is σ = 3269562. Its totient is φ = 3269560.

The previous prime is 3269537. The next prime is 3269639. The reversal of 3269561 is 1659623.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2839225 + 430336 = 1685^2 + 656^2 .

It is a cyclic number.

It is not a de Polignac number, because 3269561 - 2¹⁰ = 3268537 is a prime.

It is a Chen prime.

It is equal to p₂₃₄₈₈₇ and since 3269561 and 234887 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (3269531) 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, 1634780 + 1634781.

It is an arithmetic number, because the mean of its divisors is an integer number (1634781).

Almost surely, 2^3269561 is an apocalyptic number.

It is an amenable number.

3269561 is a deficient number, since it is larger than the sum of its proper divisors (1).

3269561 is an equidigital number, since it uses as much as digits as its factorization.

3269561 is an odious number, because the sum of its binary digits is odd.

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

The square root of 3269561 is about 1808.1927441509. The cubic root of 3269561 is about 148.4213855304.

The spelling of 3269561 in words is "three million, two hundred sixty-nine thousand, five hundred sixty-one".