8520995 has 16 divisors (see below), whose sum is σ = 12374208. Its totient is φ = 5498880.

The previous prime is 8520979. The next prime is 8521003. The reversal of 8520995 is 5990258.

8520995 = T₄₅₈ + T₄₅₉ + ... + T₅₂₇.

It is a happy number.

8520995 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8520995 - 2⁴ = 8520979 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 6566 + ... + 7755.

It is an arithmetic number, because the mean of its divisors is an integer number (773388).

Almost surely, 2^8520995 is an apocalyptic number.

8520995 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

8520995 is a deficient number, since it is larger than the sum of its proper divisors (3853213).

8520995 is a wasteful number, since it uses less digits than its factorization.

8520995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14350.

The product of its (nonzero) digits is 32400, while the sum is 38.

The square root of 8520995 is about 2919.0743395810. The cubic root of 8520995 is about 204.2506450773.

The spelling of 8520995 in words is "eight million, five hundred twenty thousand, nine hundred ninety-five".