8211525163 has 4 divisors (see below), whose sum is σ = 8226537640. Its totient is φ = 8196512688.

The previous prime is 8211525149. The next prime is 8211525167. The reversal of 8211525163 is 3615251128.

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 8211525163 - 2¹⁷ = 8211394091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8211525167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7505418 + ... + 7506511.

It is an arithmetic number, because the mean of its divisors is an integer number (2056634410).

Almost surely, 2^8211525163 is an apocalyptic number.

8211525163 is a deficient number, since it is larger than the sum of its proper divisors (15012477).

8211525163 is a wasteful number, since it uses less digits than its factorization.

8211525163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15012476.

The product of its digits is 14400, while the sum is 34.

The square root of 8211525163 is about 90617.4661033953. The cubic root of 8211525163 is about 2017.4739822630.

The spelling of 8211525163 in words is "eight billion, two hundred eleven million, five hundred twenty-five thousand, one hundred sixty-three".