540280825 has 24 divisors (see below), whose sum is σ = 810698112. Its totient is φ = 348683520.

The previous prime is 540280799. The next prime is 540280841. The reversal of 540280825 is 528082045.

It is a de Polignac number, because none of the positive numbers 2^k-540280825 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87829 + ... + 93778.

It is an arithmetic number, because the mean of its divisors is an integer number (33779088).

Almost surely, 2^540280825 is an apocalyptic number.

It is an amenable number.

540280825 is a deficient number, since it is larger than the sum of its proper divisors (270417287).

540280825 is a wasteful number, since it uses less digits than its factorization.

540280825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181641 (or 181636 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 540280825 is about 23243.9416838023. The cubic root of 540280825 is about 814.4664227980.

The spelling of 540280825 in words is "five hundred forty million, two hundred eighty thousand, eight hundred twenty-five".