8504513 has 2 divisors, whose sum is σ = 8504514. Its totient is φ = 8504512.

The previous prime is 8504501. The next prime is 8504527. The reversal of 8504513 is 3154058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8334769 + 169744 = 2887^2 + 412^2 .

It is a cyclic number.

It is not a de Polignac number, because 8504513 - 2⁶ = 8504449 is a prime.

It is not a weakly prime, because it can be changed into another prime (8504543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4252256 + 4252257.

It is an arithmetic number, because the mean of its divisors is an integer number (4252257).

Almost surely, 2^8504513 is an apocalyptic number.

It is an amenable number.

8504513 is a deficient number, since it is larger than the sum of its proper divisors (1).

8504513 is an equidigital number, since it uses as much as digits as its factorization.

8504513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 26.

The square root of 8504513 is about 2916.2498178311. The cubic root of 8504513 is about 204.1188673515.

It can be divided in two parts, 85045 and 13, that added together give a palindrome (85058).

The spelling of 8504513 in words is "eight million, five hundred four thousand, five hundred thirteen".