3264561 has 24 divisors (see below), whose sum is σ = 5260320. Its totient is φ = 1938816.

The previous prime is 3264553. The next prime is 3264571. The reversal of 3264561 is 1654623.

It is not a de Polignac number, because 3264561 - 2³ = 3264553 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3264571) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2346 + ... + 3468.

It is an arithmetic number, because the mean of its divisors is an integer number (219180).

Almost surely, 2^3264561 is an apocalyptic number.

It is an amenable number.

3264561 is a deficient number, since it is larger than the sum of its proper divisors (1995759).

3264561 is a wasteful number, since it uses less digits than its factorization.

3264561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1162 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 3264561 is about 1806.8096191907. The cubic root of 3264561 is about 148.3456887687.

The spelling of 3264561 in words is "three million, two hundred sixty-four thousand, five hundred sixty-one".