47321579 has 2 divisors, whose sum is σ = 47321580. Its totient is φ = 47321578.

The previous prime is 47321569. The next prime is 47321611. The reversal of 47321579 is 97512374.

47321579 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47321579 - 2¹⁶ = 47256043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47321509) 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, 23660789 + 23660790.

It is an arithmetic number, because the mean of its divisors is an integer number (23660790).

Almost surely, 2^47321579 is an apocalyptic number.

47321579 is a deficient number, since it is larger than the sum of its proper divisors (1).

47321579 is an equidigital number, since it uses as much as digits as its factorization.

47321579 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 52920, while the sum is 38.

The square root of 47321579 is about 6879.0681781765. The cubic root of 47321579 is about 361.7038036811.

The spelling of 47321579 in words is "forty-seven million, three hundred twenty-one thousand, five hundred seventy-nine".