47020291 has 2 divisors, whose sum is σ = 47020292. Its totient is φ = 47020290.

The previous prime is 47020289. The next prime is 47020297. The reversal of 47020291 is 19202074.

47020291 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 47020291 - 2¹ = 47020289 is a prime.

Together with 47020289, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (47020297) 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, 23510145 + 23510146.

It is an arithmetic number, because the mean of its divisors is an integer number (23510146).

Almost surely, 2^47020291 is an apocalyptic number.

47020291 is a deficient number, since it is larger than the sum of its proper divisors (1).

47020291 is an equidigital number, since it uses as much as digits as its factorization.

47020291 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 47020291 is about 6857.1343139828. The cubic root of 47020291 is about 360.9345343647.

The spelling of 47020291 in words is "forty-seven million, twenty thousand, two hundred ninety-one".