3261613 has 4 divisors (see below), whose sum is σ = 3272220. Its totient is φ = 3251008.

The previous prime is 3261581. The next prime is 3261617. The reversal of 3261613 is 3161623.

3261613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3161623 = 191 ⋅16553.

It can be written as a sum of positive squares in 2 ways, for example, as 1471369 + 1790244 = 1213^2 + 1338^2 .

It is a cyclic number.

It is not a de Polignac number, because 3261613 - 2⁵ = 3261581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4828 + ... + 5461.

It is an arithmetic number, because the mean of its divisors is an integer number (818055).

Almost surely, 2^3261613 is an apocalyptic number.

It is an amenable number.

3261613 is a deficient number, since it is larger than the sum of its proper divisors (10607).

3261613 is a wasteful number, since it uses less digits than its factorization.

3261613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10606.

The product of its digits is 648, while the sum is 22.

The square root of 3261613 is about 1805.9936323254. The cubic root of 3261613 is about 148.3010217323.

The spelling of 3261613 in words is "three million, two hundred sixty-one thousand, six hundred thirteen".