47425771 has 2 divisors, whose sum is σ = 47425772. Its totient is φ = 47425770.

The previous prime is 47425727. The next prime is 47425783. The reversal of 47425771 is 17752474.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 47425771 - 2¹⁹ = 46901483 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47425771.

It is not a weakly prime, because it can be changed into another prime (47425711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23712885 + 23712886.

It is an arithmetic number, because the mean of its divisors is an integer number (23712886).

Almost surely, 2^47425771 is an apocalyptic number.

47425771 is a deficient number, since it is larger than the sum of its proper divisors (1).

47425771 is an equidigital number, since it uses as much as digits as its factorization.

47425771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54880, while the sum is 37.

The square root of 47425771 is about 6886.6371328828. The cubic root of 47425771 is about 361.9690739023.

The spelling of 47425771 in words is "forty-seven million, four hundred twenty-five thousand, seven hundred seventy-one".