47238193 has 2 divisors, whose sum is σ = 47238194. Its totient is φ = 47238192.

The previous prime is 47238143. The next prime is 47238221. The reversal of 47238193 is 39183274.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47238129 + 64 = 6873^2 + 8^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47238193 is a prime.

It is not a weakly prime, because it can be changed into another prime (47238133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23619096 + 23619097.

It is an arithmetic number, because the mean of its divisors is an integer number (23619097).

Almost surely, 2^47238193 is an apocalyptic number.

It is an amenable number.

47238193 is a deficient number, since it is larger than the sum of its proper divisors (1).

47238193 is an equidigital number, since it uses as much as digits as its factorization.

47238193 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 47238193 is about 6873.0046558983. The cubic root of 47238193 is about 361.4912243667.

The spelling of 47238193 in words is "forty-seven million, two hundred thirty-eight thousand, one hundred ninety-three".