8500249 has 2 divisors, whose sum is σ = 8500250. Its totient is φ = 8500248.

The previous prime is 8500229. The next prime is 8500259. The reversal of 8500249 is 9420058.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4326400 + 4173849 = 2080^2 + 2043^2 .

It is a cyclic number.

It is not a de Polignac number, because 8500249 - 2²³ = 111641 is a prime.

It is not a weakly prime, because it can be changed into another prime (8500229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4250124 + 4250125.

It is an arithmetic number, because the mean of its divisors is an integer number (4250125).

Almost surely, 2^8500249 is an apocalyptic number.

It is an amenable number.

8500249 is a deficient number, since it is larger than the sum of its proper divisors (1).

8500249 is an equidigital number, since it uses as much as digits as its factorization.

8500249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 8500249 is about 2915.5186502576. The cubic root of 8500249 is about 204.0847478845.

The spelling of 8500249 in words is "eight million, five hundred thousand, two hundred forty-nine".