3320232561 has 6 divisors (see below), whose sum is σ = 4795891490. Its totient is φ = 2213488368.

The previous prime is 3320232529. The next prime is 3320232563. The reversal of 3320232561 is 1652320233.

3320232561 is a `hidden beast` number, since 332 + 0 + 2 + 325 + 6 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3269552400 + 50680161 = 57180^2 + 7119^2 .

It is not a de Polignac number, because 3320232561 - 2⁵ = 3320232529 is a prime.

It is a super-2 number, since 2×3320232561² = 22047888518249237442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3320232563) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 184457356 + ... + 184457373.

Almost surely, 2^3320232561 is an apocalyptic number.

It is an amenable number.

3320232561 is a deficient number, since it is larger than the sum of its proper divisors (1475658929).

3320232561 is a wasteful number, since it uses less digits than its factorization.

3320232561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368914735 (or 368914732 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 3320232561 is about 57621.4592057508. The cubic root of 3320232561 is about 1491.8420173139.

Adding to 3320232561 its reverse (1652320233), we get a palindrome (4972552794).

The spelling of 3320232561 in words is "three billion, three hundred twenty million, two hundred thirty-two thousand, five hundred sixty-one".