47442497 has 2 divisors, whose sum is σ = 47442498. Its totient is φ = 47442496.

The previous prime is 47442407. The next prime is 47442517. The reversal of 47442497 is 79424474.

47442497 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., 45104656 + 2337841 = 6716^2 + 1529^2 .

It is a cyclic number.

It is not a de Polignac number, because 47442497 - 2¹⁰ = 47441473 is a prime.

It is not a weakly prime, because it can be changed into another prime (47442407) 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, 23721248 + 23721249.

It is an arithmetic number, because the mean of its divisors is an integer number (23721249).

Almost surely, 2^47442497 is an apocalyptic number.

It is an amenable number.

47442497 is a deficient number, since it is larger than the sum of its proper divisors (1).

47442497 is an equidigital number, since it uses as much as digits as its factorization.

47442497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 225792, while the sum is 41.

The square root of 47442497 is about 6887.8514066434. The cubic root of 47442497 is about 362.0116216775.

The spelling of 47442497 in words is "forty-seven million, four hundred forty-two thousand, four hundred ninety-seven".