47243393 has 2 divisors, whose sum is σ = 47243394. Its totient is φ = 47243392.

The previous prime is 47243381. The next prime is 47243401. The reversal of 47243393 is 39334274.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40857664 + 6385729 = 6392^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 47243393 - 2⁴ = 47243377 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (47243363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23621696 + 23621697.

It is an arithmetic number, because the mean of its divisors is an integer number (23621697).

Almost surely, 2^47243393 is an apocalyptic number.

It is an amenable number.

47243393 is a deficient number, since it is larger than the sum of its proper divisors (1).

47243393 is an equidigital number, since it uses as much as digits as its factorization.

47243393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 35.

The square root of 47243393 is about 6873.3829370987. The cubic root of 47243393 is about 361.5044882483.

The spelling of 47243393 in words is "forty-seven million, two hundred forty-three thousand, three hundred ninety-three".