501540000539 has 4 divisors (see below), whose sum is σ = 503390701920. Its totient is φ = 499689299160.

The previous prime is 501540000491. The next prime is 501540000571. The reversal of 501540000539 is 935000045105.

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 501540000539 - 2²⁴ = 501523223323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (501540000589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 925350284 + ... + 925350825.

It is an arithmetic number, because the mean of its divisors is an integer number (125847675480).

Almost surely, 2^501540000539 is an apocalyptic number.

501540000539 is a deficient number, since it is larger than the sum of its proper divisors (1850701381).

501540000539 is a wasteful number, since it uses less digits than its factorization.

501540000539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1850701380.

The product of its (nonzero) digits is 13500, while the sum is 32.

The spelling of 501540000539 in words is "five hundred one billion, five hundred forty million, five hundred thirty-nine", and thus it is an aban number.