47194913 has 2 divisors, whose sum is σ = 47194914. Its totient is φ = 47194912.

The previous prime is 47194897. The next prime is 47194933. The reversal of 47194913 is 31949174.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26337424 + 20857489 = 5132^2 + 4567^2 .

It is a cyclic number.

It is not a de Polignac number, because 47194913 - 2⁴ = 47194897 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47194933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23597456 + 23597457.

It is an arithmetic number, because the mean of its divisors is an integer number (23597457).

Almost surely, 2^47194913 is an apocalyptic number.

It is an amenable number.

47194913 is a deficient number, since it is larger than the sum of its proper divisors (1).

47194913 is an equidigital number, since it uses as much as digits as its factorization.

47194913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 38.

The square root of 47194913 is about 6869.8553842130. The cubic root of 47194913 is about 361.3807902754.

It can be divided in two parts, 4 and 7194913, that added together give a palindrome (7194917).

The spelling of 47194913 in words is "forty-seven million, one hundred ninety-four thousand, nine hundred thirteen".