8525039 has 4 divisors (see below), whose sum is σ = 8613024. Its totient is φ = 8437056.

The previous prime is 8525029. The next prime is 8525047. The reversal of 8525039 is 9305258.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8525039 - 2¹² = 8520943 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8524996 and 8525014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8525029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43847 + ... + 44040.

It is an arithmetic number, because the mean of its divisors is an integer number (2153256).

Almost surely, 2^8525039 is an apocalyptic number.

8525039 is a deficient number, since it is larger than the sum of its proper divisors (87985).

8525039 is an equidigital number, since it uses as much as digits as its factorization.

8525039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87984.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 8525039 is about 2919.7669427542. The cubic root of 8525039 is about 204.2829519058.

The spelling of 8525039 in words is "eight million, five hundred twenty-five thousand, thirty-nine".