47583421 has 2 divisors, whose sum is σ = 47583422. Its totient is φ = 47583420.

The previous prime is 47583409. The next prime is 47583427. The reversal of 47583421 is 12438574.

47583421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40896025 + 6687396 = 6395^2 + 2586^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47583421 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47583427) 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 as a sum of consecutive naturals, namely, 23791710 + 23791711.

It is an arithmetic number, because the mean of its divisors is an integer number (23791711).

Almost surely, 2^47583421 is an apocalyptic number.

It is an amenable number.

47583421 is a deficient number, since it is larger than the sum of its proper divisors (1).

47583421 is an equidigital number, since it uses as much as digits as its factorization.

47583421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26880, while the sum is 34.

The square root of 47583421 is about 6898.0737166255. The cubic root of 47583421 is about 362.3697091809.

The spelling of 47583421 in words is "forty-seven million, five hundred eighty-three thousand, four hundred twenty-one".