8071249 has 2 divisors, whose sum is σ = 8071250. Its totient is φ = 8071248.

The previous prime is 8071237. The next prime is 8071267. The reversal of 8071249 is 9421708.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7800849 + 270400 = 2793^2 + 520^2 .

It is a cyclic number.

It is not a de Polignac number, because 8071249 - 2⁹ = 8070737 is a prime.

8071249 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 8071249.

It is not a weakly prime, because it can be changed into another prime (8074249) 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, 4035624 + 4035625.

It is an arithmetic number, because the mean of its divisors is an integer number (4035625).

Almost surely, 2^8071249 is an apocalyptic number.

It is an amenable number.

8071249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8071249 is an equidigital number, since it uses as much as digits as its factorization.

8071249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 31.

The square root of 8071249 is about 2840.9943681746. The cubic root of 8071249 is about 200.5919876907.

The spelling of 8071249 in words is "eight million, seventy-one thousand, two hundred forty-nine".