8245513 has 2 divisors, whose sum is σ = 8245514. Its totient is φ = 8245512.

The previous prime is 8245507. The next prime is 8245519. The reversal of 8245513 is 3155428.

It is a balanced prime because it is at equal distance from previous prime (8245507) and next prime (8245519).

It can be written as a sum of positive squares in only one way, i.e., 5513104 + 2732409 = 2348^2 + 1653^2 .

It is a cyclic number.

It is not a de Polignac number, because 8245513 - 2⁵ = 8245481 is a prime.

It is the 2872-nd Hogben number.

8245513 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8245519) by changing a digit.

It is a nontrivial repunit in base 2871.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4122756 + 4122757.

It is an arithmetic number, because the mean of its divisors is an integer number (4122757).

Almost surely, 2^8245513 is an apocalyptic number.

It is an amenable number.

8245513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8245513 is an equidigital number, since it uses as much as digits as its factorization.

8245513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 8245513 is about 2871.5001305938. The cubic root of 8245513 is about 202.0253619758.

The spelling of 8245513 in words is "eight million, two hundred forty-five thousand, five hundred thirteen".