8540540225 has 24 divisors (see below), whose sum is σ = 12249007680. Its totient is φ = 5785801920.

The previous prime is 8540540213. The next prime is 8540540233. The reversal of 8540540225 is 5220450458.

It is not a de Polignac number, because 8540540225 - 2⁴ = 8540540209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 279470 + ... + 308519.

It is an arithmetic number, because the mean of its divisors is an integer number (510375320).

Almost surely, 2^8540540225 is an apocalyptic number.

It is an amenable number.

8540540225 is a deficient number, since it is larger than the sum of its proper divisors (3708467455).

8540540225 is a wasteful number, since it uses less digits than its factorization.

8540540225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588089 (or 588084 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

The square root of 8540540225 is about 92415.0432830067. The cubic root of 8540540225 is about 2044.0669400331.

The spelling of 8540540225 in words is "eight billion, five hundred forty million, five hundred forty thousand, two hundred twenty-five".