540213673 has 4 divisors (see below), whose sum is σ = 563701248. Its totient is φ = 516726100.

The previous prime is 540213649. The next prime is 540213731. The reversal of 540213673 is 376312045.

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 540213673 - 2¹⁷ = 540082601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540213623) 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, 11743753 + ... + 11743798.

It is an arithmetic number, because the mean of its divisors is an integer number (140925312).

Almost surely, 2^540213673 is an apocalyptic number.

It is an amenable number.

540213673 is a deficient number, since it is larger than the sum of its proper divisors (23487575).

540213673 is a wasteful number, since it uses less digits than its factorization.

540213673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23487574.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 540213673 is about 23242.4971334837. The cubic root of 540213673 is about 814.4326778067.

The spelling of 540213673 in words is "five hundred forty million, two hundred thirteen thousand, six hundred seventy-three".