3261006506 has 8 divisors (see below), whose sum is σ = 4958516964. Its totient is φ = 1608167520.

The previous prime is 3261006491. The next prime is 3261006517. The reversal of 3261006506 is 6056001623.

It can be written as a sum of positive squares in 2 ways, for example, as 2909631481 + 351375025 = 53941^2 + 18745^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11167685 + ... + 11167976.

Almost surely, 2^3261006506 is an apocalyptic number.

3261006506 is a deficient number, since it is larger than the sum of its proper divisors (1697510458).

3261006506 is a wasteful number, since it uses less digits than its factorization.

3261006506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22335736.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3261006506 is about 57105.2231061223. The cubic root of 3261006506 is about 1482.9182901530.

The spelling of 3261006506 in words is "three billion, two hundred sixty-one million, six thousand, five hundred six".