47616013 has 2 divisors, whose sum is σ = 47616014. Its totient is φ = 47616012.

The previous prime is 47615993. The next prime is 47616017. The reversal of 47616013 is 31061674.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30327049 + 17288964 = 5507^2 + 4158^2 .

It is a cyclic number.

It is not a de Polignac number, because 47616013 - 2²⁵ = 14061581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47616017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23808006 + 23808007.

It is an arithmetic number, because the mean of its divisors is an integer number (23808007).

Almost surely, 2^47616013 is an apocalyptic number.

It is an amenable number.

47616013 is a deficient number, since it is larger than the sum of its proper divisors (1).

47616013 is an equidigital number, since it uses as much as digits as its factorization.

47616013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 47616013 is about 6900.4357108809. The cubic root of 47616013 is about 362.4524246720.

Adding to 47616013 its reverse (31061674), we get a palindrome (78677687).

The spelling of 47616013 in words is "forty-seven million, six hundred sixteen thousand, thirteen".