47194897 has 2 divisors, whose sum is σ = 47194898. Its totient is φ = 47194896.

The previous prime is 47194891. The next prime is 47194913. The reversal of 47194897 is 79849174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45279441 + 1915456 = 6729^2 + 1384^2 .

It is a cyclic number.

It is not a de Polignac number, because 47194897 - 2⁷ = 47194769 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 47194897.

It is not a weakly prime, because it can be changed into another prime (47194891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23597448 + 23597449.

It is an arithmetic number, because the mean of its divisors is an integer number (23597449).

Almost surely, 2^47194897 is an apocalyptic number.

It is an amenable number.

47194897 is a deficient number, since it is larger than the sum of its proper divisors (1).

47194897 is an equidigital number, since it uses as much as digits as its factorization.

47194897 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 49.

The square root of 47194897 is about 6869.8542197051. The cubic root of 47194897 is about 361.3807494370.

The spelling of 47194897 in words is "forty-seven million, one hundred ninety-four thousand, eight hundred ninety-seven".