47845297 has 2 divisors, whose sum is σ = 47845298. Its totient is φ = 47845296.

The previous prime is 47845271. The next prime is 47845337. The reversal of 47845297 is 79254874.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42458256 + 5387041 = 6516^2 + 2321^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47845297 is a prime.

It is not a weakly prime, because it can be changed into another prime (47845247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23922648 + 23922649.

It is an arithmetic number, because the mean of its divisors is an integer number (23922649).

Almost surely, 2^47845297 is an apocalyptic number.

It is an amenable number.

47845297 is a deficient number, since it is larger than the sum of its proper divisors (1).

47845297 is an equidigital number, since it uses as much as digits as its factorization.

47845297 is an evil number, because the sum of its binary digits is even.

The product of its digits is 564480, while the sum is 46.

The square root of 47845297 is about 6917.0294924917. The cubic root of 47845297 is about 363.0332622370.

The spelling of 47845297 in words is "forty-seven million, eight hundred forty-five thousand, two hundred ninety-seven".