83247473 has 2 divisors, whose sum is σ = 83247474. Its totient is φ = 83247472.

The previous prime is 83247467. The next prime is 83247497. The reversal of 83247473 is 37474238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83046769 + 200704 = 9113^2 + 448^2 .

It is a cyclic number.

It is not a de Polignac number, because 83247473 - 2⁸ = 83247217 is a prime.

It is not a weakly prime, because it can be changed into another prime (83247403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41623736 + 41623737.

It is an arithmetic number, because the mean of its divisors is an integer number (41623737).

Almost surely, 2^83247473 is an apocalyptic number.

It is an amenable number.

83247473 is a deficient number, since it is larger than the sum of its proper divisors (1).

83247473 is an equidigital number, since it uses as much as digits as its factorization.

83247473 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112896, while the sum is 38.

The square root of 83247473 is about 9124.0053156495. The cubic root of 83247473 is about 436.6401689986.

The spelling of 83247473 in words is "eighty-three million, two hundred forty-seven thousand, four hundred seventy-three".