540484973 has 4 divisors (see below), whose sum is σ = 617697120. Its totient is φ = 463272828.

The previous prime is 540484933. The next prime is 540485009. The reversal of 540484973 is 379484045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 540484973 - 2²⁰ = 539436397 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 (540484933) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38606063 + ... + 38606076.

It is an arithmetic number, because the mean of its divisors is an integer number (154424280).

Almost surely, 2^540484973 is an apocalyptic number.

It is an amenable number.

540484973 is a deficient number, since it is larger than the sum of its proper divisors (77212147).

540484973 is an equidigital number, since it uses as much as digits as its factorization.

540484973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77212146.

The product of its (nonzero) digits is 483840, while the sum is 44.

The square root of 540484973 is about 23248.3326929051. The cubic root of 540484973 is about 814.5689933785.

The spelling of 540484973 in words is "five hundred forty million, four hundred eighty-four thousand, nine hundred seventy-three".