47930317 has 2 divisors, whose sum is σ = 47930318. Its totient is φ = 47930316.

The previous prime is 47930303. The next prime is 47930339. The reversal of 47930317 is 71303974.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 40373316 + 7557001 = 6354^2 + 2749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47930317 is a prime.

It is a super-3 number, since 3×47930317³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47930347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23965158 + 23965159.

It is an arithmetic number, because the mean of its divisors is an integer number (23965159).

Almost surely, 2^47930317 is an apocalyptic number.

It is an amenable number.

47930317 is a deficient number, since it is larger than the sum of its proper divisors (1).

47930317 is an equidigital number, since it uses as much as digits as its factorization.

47930317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15876, while the sum is 34.

The square root of 47930317 is about 6923.1724664347. The cubic root of 47930317 is about 363.2481689309.

The spelling of 47930317 in words is "forty-seven million, nine hundred thirty thousand, three hundred seventeen".