8523313 has 2 divisors, whose sum is σ = 8523314. Its totient is φ = 8523312.

The previous prime is 8523311. The next prime is 8523323. The reversal of 8523313 is 3133258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6640929 + 1882384 = 2577^2 + 1372^2 .

It is a cyclic number.

It is not a de Polignac number, because 8523313 - 2¹ = 8523311 is a prime.

Together with 8523311, it forms a pair of twin primes.

8523313 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8523311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4261656 + 4261657.

It is an arithmetic number, because the mean of its divisors is an integer number (4261657).

Almost surely, 2^8523313 is an apocalyptic number.

It is an amenable number.

8523313 is a deficient number, since it is larger than the sum of its proper divisors (1).

8523313 is an equidigital number, since it uses as much as digits as its factorization.

8523313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2160, while the sum is 25.

The square root of 8523313 is about 2919.4713562561. The cubic root of 8523313 is about 204.2691644352.

It can be divided in two parts, 8523 and 313, that added together give a square (8836 = 94²).

The spelling of 8523313 in words is "eight million, five hundred twenty-three thousand, three hundred thirteen".