83197249 has 2 divisors, whose sum is σ = 83197250. Its totient is φ = 83197248.

The previous prime is 83197243. The next prime is 83197253. The reversal of 83197249 is 94279138.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 80425024 + 2772225 = 8968^2 + 1665^2 .

It is a cyclic number.

It is not a de Polignac number, because 83197249 - 2¹⁷ = 83066177 is a prime.

It is not a weakly prime, because it can be changed into another prime (83197243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41598624 + 41598625.

It is an arithmetic number, because the mean of its divisors is an integer number (41598625).

Almost surely, 2^83197249 is an apocalyptic number.

It is an amenable number.

83197249 is a deficient number, since it is larger than the sum of its proper divisors (1).

83197249 is an equidigital number, since it uses as much as digits as its factorization.

83197249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 43.

The square root of 83197249 is about 9121.2526003833. The cubic root of 83197249 is about 436.5523415980.

The spelling of 83197249 in words is "eighty-three million, one hundred ninety-seven thousand, two hundred forty-nine".