3260561 has 8 divisors (see below), whose sum is σ = 3362304. Its totient is φ = 3160080.

The previous prime is 3260539. The next prime is 3260563. The reversal of 3260561 is 1650623.

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 3260561 - 2⁶ = 3260497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3260563) 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, 8015 + ... + 8411.

It is an arithmetic number, because the mean of its divisors is an integer number (420288).

Almost surely, 2^3260561 is an apocalyptic number.

It is an amenable number.

3260561 is a deficient number, since it is larger than the sum of its proper divisors (101743).

3260561 is a wasteful number, since it uses less digits than its factorization.

3260561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 631.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 3260561 is about 1805.7023564253. The cubic root of 3260561 is about 148.2850756905.

The spelling of 3260561 in words is "three million, two hundred sixty thousand, five hundred sixty-one".