8520007 has 2 divisors, whose sum is σ = 8520008. Its totient is φ = 8520006.

The previous prime is 8519989. The next prime is 8520011. The reversal of 8520007 is 7000258.

8520007 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8520007 - 2¹⁵ = 8487239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8520007.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8520107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4260003 + 4260004.

It is an arithmetic number, because the mean of its divisors is an integer number (4260004).

Almost surely, 2^8520007 is an apocalyptic number.

8520007 is a deficient number, since it is larger than the sum of its proper divisors (1).

8520007 is an equidigital number, since it uses as much as digits as its factorization.

8520007 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 8520007 is about 2918.9051029453. The cubic root of 8520007 is about 204.2427505596.

The spelling of 8520007 in words is "eight million, five hundred twenty thousand, seven".