4096561 has 8 divisors (see below), whose sum is σ = 4694400. Its totient is φ = 3501888.

The previous prime is 4096537. The next prime is 4096579. The reversal of 4096561 is 1656904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4096561 - 2⁹ = 4096049 is a prime.

It is a Duffinian number.

4096561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4096531) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3705 + ... + 4681.

It is an arithmetic number, because the mean of its divisors is an integer number (586800).

Almost surely, 2^4096561 is an apocalyptic number.

It is an amenable number.

4096561 is a deficient number, since it is larger than the sum of its proper divisors (597839).

4096561 is an equidigital number, since it uses as much as digits as its factorization.

4096561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1583.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 4096561 is about 2023.9962944630. The cubic root of 4096561 is about 160.0073043540.

The spelling of 4096561 in words is "four million, ninety-six thousand, five hundred sixty-one".