3261230505 has 80 divisors (see below), whose sum is σ = 6466296144. Its totient is φ = 1562042880.

The previous prime is 3261230491. The next prime is 3261230551. The reversal of 3261230505 is 5050321623.

3261230505 is a `hidden beast` number, since 32 + 6 + 123 + 0 + 505 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 243266409 + 3017964096 = 15597^2 + 54936^2 .

It is not a de Polignac number, because 3261230505 - 2¹³ = 3261222313 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 186435 + ... + 203175.

Almost surely, 2^3261230505 is an apocalyptic number.

It is an amenable number.

3261230505 is a deficient number, since it is larger than the sum of its proper divisors (3205065639).

3261230505 is a wasteful number, since it uses less digits than its factorization.

3261230505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16808 (or 16799 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3261230505 is about 57107.1843553856. The cubic root of 3261230505 is about 1482.9522433316.

The spelling of 3261230505 in words is "three billion, two hundred sixty-one million, two hundred thirty thousand, five hundred five".