8218459125 has 32 divisors (see below), whose sum is σ = 15195024000. Its totient is φ = 4383176400.

The previous prime is 8218459121. The next prime is 8218459157. The reversal of 8218459125 is 5219548128.

8218459125 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 8218459125 - 2² = 8218459121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8218459121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1214175 + ... + 1220924.

It is an arithmetic number, because the mean of its divisors is an integer number (474844500).

Almost surely, 2^8218459125 is an apocalyptic number.

It is an amenable number.

8218459125 is a deficient number, since it is larger than the sum of its proper divisors (6976564875).

8218459125 is a wasteful number, since it uses less digits than its factorization.

8218459125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435123 (or 2435107 counting only the distinct ones).

The product of its digits is 230400, while the sum is 45.

The square root of 8218459125 is about 90655.7175527280. The cubic root of 8218459125 is about 2018.0416864735.

The spelling of 8218459125 in words is "eight billion, two hundred eighteen million, four hundred fifty-nine thousand, one hundred twenty-five".