8250985 has 8 divisors (see below), whose sum is σ = 9941256. Its totient is φ = 6574080.

The previous prime is 8250961. The next prime is 8250989. The reversal of 8250985 is 5890528.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2155024 + 6095961 = 1468^2 + 2469^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8250985 - 2⁵ = 8250953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8250989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926 + ... + 4495.

It is an arithmetic number, because the mean of its divisors is an integer number (1242657).

Almost surely, 2^8250985 is an apocalyptic number.

It is an amenable number.

8250985 is a deficient number, since it is larger than the sum of its proper divisors (1690271).

8250985 is a wasteful number, since it uses less digits than its factorization.

8250985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6683.

The product of its (nonzero) digits is 28800, while the sum is 37.

The square root of 8250985 is about 2872.4527846424. The cubic root of 8250985 is about 202.0700423705.

The spelling of 8250985 in words is "eight million, two hundred fifty thousand, nine hundred eighty-five".