540985973 has 12 divisors (see below), whose sum is σ = 596759904. Its totient is φ = 486325800.

The previous prime is 540985969. The next prime is 540986009. The reversal of 540985973 is 379589045.

540985973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 540985973 - 2² = 540985969 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540985073) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 782558 + ... + 783248.

It is an arithmetic number, because the mean of its divisors is an integer number (49729992).

Almost surely, 2^540985973 is an apocalyptic number.

It is an amenable number.

540985973 is a deficient number, since it is larger than the sum of its proper divisors (55773931).

540985973 is an equidigital number, since it uses as much as digits as its factorization.

540985973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 805 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 540985973 is about 23259.1051633548. The cubic root of 540985973 is about 814.8206026157.

The spelling of 540985973 in words is "five hundred forty million, nine hundred eighty-five thousand, nine hundred seventy-three".