540687501 has 16 divisors (see below), whose sum is σ = 801486720. Its totient is φ = 360247680.

The previous prime is 540687491. The next prime is 540687517. The reversal of 540687501 is 105786045.

540687501 is a `hidden beast` number, since 540 + 68 + 7 + 50 + 1 = 666.

It is not a de Polignac number, because 540687501 - 2⁶ = 540687437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540687551) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51376 + ... + 60998.

It is an arithmetic number, because the mean of its divisors is an integer number (50092920).

Almost surely, 2^540687501 is an apocalyptic number.

It is an amenable number.

540687501 is a deficient number, since it is larger than the sum of its proper divisors (260799219).

540687501 is a wasteful number, since it uses less digits than its factorization.

540687501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11713 (or 11707 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 540687501 is about 23252.6880381602. The cubic root of 540687501 is about 814.6707245000.

The spelling of 540687501 in words is "five hundred forty million, six hundred eighty-seven thousand, five hundred one".