8523959 has 2 divisors, whose sum is σ = 8523960. Its totient is φ = 8523958.

The previous prime is 8523917. The next prime is 8523973. The reversal of 8523959 is 9593258.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8523959 - 2²⁰ = 7475383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8523979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4261979 + 4261980.

It is an arithmetic number, because the mean of its divisors is an integer number (4261980).

Almost surely, 2^8523959 is an apocalyptic number.

8523959 is a deficient number, since it is larger than the sum of its proper divisors (1).

8523959 is an equidigital number, since it uses as much as digits as its factorization.

8523959 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 97200, while the sum is 41.

The square root of 8523959 is about 2919.5819906281. The cubic root of 8523959 is about 204.2743249695.

The spelling of 8523959 in words is "eight million, five hundred twenty-three thousand, nine hundred fifty-nine".