3312632561 has 12 divisors (see below), whose sum is σ = 3920921472. Its totient is φ = 2741484144.

The previous prime is 3312632551. The next prime is 3312632623. The reversal of 3312632561 is 1652362133.

3312632561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3312632561 - 2²² = 3308438257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3312632551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275465 + ... + 287238.

It is an arithmetic number, because the mean of its divisors is an integer number (326743456).

Almost surely, 2^3312632561 is an apocalyptic number.

It is an amenable number.

3312632561 is a deficient number, since it is larger than the sum of its proper divisors (608288911).

3312632561 is an equidigital number, since it uses as much as digits as its factorization.

3312632561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562768 (or 562739 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 3312632561 is about 57555.4737709629. The cubic root of 3312632561 is about 1490.7028740942.

Adding to 3312632561 its reverse (1652362133), we get a palindrome (4964994694).

The spelling of 3312632561 in words is "three billion, three hundred twelve million, six hundred thirty-two thousand, five hundred sixty-one".