8306245 has 4 divisors (see below), whose sum is σ = 9967500. Its totient is φ = 6644992.

The previous prime is 8306237. The next prime is 8306261. The reversal of 8306245 is 5426038.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5426038 = 2 ⋅2713019.

It can be written as a sum of positive squares in 2 ways, for example, as 3207681 + 5098564 = 1791^2 + 2258^2 .

It is a cyclic number.

It is not a de Polignac number, because 8306245 - 2³ = 8306237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830620 + ... + 830629.

It is an arithmetic number, because the mean of its divisors is an integer number (2491875).

Almost surely, 2^8306245 is an apocalyptic number.

It is an amenable number.

8306245 is a deficient number, since it is larger than the sum of its proper divisors (1661255).

8306245 is a wasteful number, since it uses less digits than its factorization.

8306245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661254.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 8306245 is about 2882.0556899547. The cubic root of 8306245 is about 202.5201524424.

The spelling of 8306245 in words is "eight million, three hundred six thousand, two hundred forty-five".