47496217 has 2 divisors, whose sum is σ = 47496218. Its totient is φ = 47496216.

The previous prime is 47496199. The next prime is 47496223. The reversal of 47496217 is 71269474.

47496217 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., 46457856 + 1038361 = 6816^2 + 1019^2 .

It is a cyclic number.

It is not a de Polignac number, because 47496217 - 2¹¹ = 47494169 is a prime.

It is a super-2 number, since 2×47496217² = 4511781258622178, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47496217.

It is not a weakly prime, because it can be changed into another prime (47496227) 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, 23748108 + 23748109.

It is an arithmetic number, because the mean of its divisors is an integer number (23748109).

Almost surely, 2^47496217 is an apocalyptic number.

It is an amenable number.

47496217 is a deficient number, since it is larger than the sum of its proper divisors (1).

47496217 is an equidigital number, since it uses as much as digits as its factorization.

47496217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 40.

The square root of 47496217 is about 6891.7499229151. The cubic root of 47496217 is about 362.1482075797.

The spelling of 47496217 in words is "forty-seven million, four hundred ninety-six thousand, two hundred seventeen".