3264504561 has 12 divisors (see below), whose sum is σ = 4842839092. Its totient is φ = 2117516256.

The previous prime is 3264504553. The next prime is 3264504587. The reversal of 3264504561 is 1654054623.

3264504561 is a `hidden beast` number, since 3 + 2 + 645 + 0 + 4 + 5 + 6 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1725903936 + 1538600625 = 41544^2 + 39225^2 .

It is not a de Polignac number, because 3264504561 - 2³ = 3264504553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3264504511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4901326 + ... + 4901991.

Almost surely, 2^3264504561 is an apocalyptic number.

It is an amenable number.

3264504561 is a deficient number, since it is larger than the sum of its proper divisors (1578334531).

3264504561 is a wasteful number, since it uses less digits than its factorization.

3264504561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9803360 (or 9803357 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The square root of 3264504561 is about 57135.8430497004. The cubic root of 3264504561 is about 1483.4483387778.

The spelling of 3264504561 in words is "three billion, two hundred sixty-four million, five hundred four thousand, five hundred sixty-one".