83199497 has 2 divisors, whose sum is σ = 83199498. Its totient is φ = 83199496.

The previous prime is 83199491. The next prime is 83199509. The reversal of 83199497 is 79499138.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45549001 + 37650496 = 6749^2 + 6136^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83199497 is a prime.

It is not a weakly prime, because it can be changed into another prime (83199491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41599748 + 41599749.

It is an arithmetic number, because the mean of its divisors is an integer number (41599749).

Almost surely, 2^83199497 is an apocalyptic number.

It is an amenable number.

83199497 is a deficient number, since it is larger than the sum of its proper divisors (1).

83199497 is an equidigital number, since it uses as much as digits as its factorization.

83199497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 50.

The square root of 83199497 is about 9121.3758282399. The cubic root of 83199497 is about 436.5562734621.

The spelling of 83199497 in words is "eighty-three million, one hundred ninety-nine thousand, four hundred ninety-seven".