3275447561 has 4 divisors (see below), whose sum is σ = 3277056000. Its totient is φ = 3273839124.

The previous prime is 3275447551. The next prime is 3275447603. The reversal of 3275447561 is 1657445723.

It is a happy number.

3275447561 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 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 3275447561 - 2¹⁴ = 3275431177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3275447501) 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, 801161 + ... + 805238.

It is an arithmetic number, because the mean of its divisors is an integer number (819264000).

Almost surely, 2^3275447561 is an apocalyptic number.

It is an amenable number.

3275447561 is a deficient number, since it is larger than the sum of its proper divisors (1608439).

3275447561 is a wasteful number, since it uses less digits than its factorization.

3275447561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608438.

The product of its digits is 705600, while the sum is 44.

The square root of 3275447561 is about 57231.5259363229. The cubic root of 3275447561 is about 1485.1040540479.

The spelling of 3275447561 in words is "three billion, two hundred seventy-five million, four hundred forty-seven thousand, five hundred sixty-one".