3261061061 has 4 divisors (see below), whose sum is σ = 3292721952. Its totient is φ = 3229400172.

The previous prime is 3261061021. The next prime is 3261061079. The reversal of 3261061061 is 1601601623.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3261061061 - 2⁶ = 3261060997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3261061061.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3261061021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15830291 + ... + 15830496.

It is an arithmetic number, because the mean of its divisors is an integer number (823180488).

Almost surely, 2^3261061061 is an apocalyptic number.

It is an amenable number.

3261061061 is a deficient number, since it is larger than the sum of its proper divisors (31660891).

3261061061 is a wasteful number, since it uses less digits than its factorization.

3261061061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31660890.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 3261061061 is about 57105.7007749664. The cubic root of 3261061061 is about 1482.9265595995.

Adding to 3261061061 its reverse (1601601623), we get a palindrome (4862662684).

The spelling of 3261061061 in words is "three billion, two hundred sixty-one million, sixty-one thousand, sixty-one".