3581108061 has 4 divisors (see below), whose sum is σ = 4774810752. Its totient is φ = 2387405372.

The previous prime is 3581108057. The next prime is 3581108071. The reversal of 3581108061 is 1608011853.

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 3581108061 - 2² = 3581108057 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3581108051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 596851341 + ... + 596851346.

It is an arithmetic number, because the mean of its divisors is an integer number (1193702688).

Almost surely, 2^3581108061 is an apocalyptic number.

It is an amenable number.

3581108061 is a deficient number, since it is larger than the sum of its proper divisors (1193702691).

3581108061 is a wasteful number, since it uses less digits than its factorization.

3581108061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193702690.

The product of its (nonzero) digits is 5760, while the sum is 33.

The square root of 3581108061 is about 59842.3600888200. The cubic root of 3581108061 is about 1529.9332223407.

The spelling of 3581108061 in words is "three billion, five hundred eighty-one million, one hundred eight thousand, sixty-one".