47613385 has 4 divisors (see below), whose sum is σ = 57136068. Its totient is φ = 38090704.

The previous prime is 47613383. The next prime is 47613403. The reversal of 47613385 is 58331674.

47613385 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.

It can be written as a sum of positive squares in 2 ways, for example, as 35426304 + 12187081 = 5952^2 + 3491^2 .

It is a cyclic number.

It is not a de Polignac number, because 47613385 - 2¹ = 47613383 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47613383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4761334 + ... + 4761343.

It is an arithmetic number, because the mean of its divisors is an integer number (14284017).

Almost surely, 2^47613385 is an apocalyptic number.

It is an amenable number.

47613385 is a deficient number, since it is larger than the sum of its proper divisors (9522683).

47613385 is an equidigital number, since it uses as much as digits as its factorization.

47613385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9522682.

The product of its digits is 60480, while the sum is 37.

The square root of 47613385 is about 6900.2452854953. The cubic root of 47613385 is about 362.4457564495.

It can be divided in two parts, 476 and 13385, that added together give a triangular number (13861 = T₁₆₆).

The spelling of 47613385 in words is "forty-seven million, six hundred thirteen thousand, three hundred eighty-five".