540445213 has 32 divisors (see below), whose sum is σ = 685532160. Its totient is φ = 413871360.

The previous prime is 540445211. The next prime is 540445229. The reversal of 540445213 is 312544045.

It is not a de Polignac number, because 540445213 - 2¹ = 540445211 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 (540445211) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1557306 + ... + 1557652.

It is an arithmetic number, because the mean of its divisors is an integer number (21422880).

Almost surely, 2^540445213 is an apocalyptic number.

It is an amenable number.

540445213 is a deficient number, since it is larger than the sum of its proper divisors (145086947).

540445213 is a wasteful number, since it uses less digits than its factorization.

540445213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 540445213 is about 23247.4775620926. The cubic root of 540445213 is about 814.5490186897.

Adding to 540445213 its reverse (312544045), we get a palindrome (852989258).

The spelling of 540445213 in words is "five hundred forty million, four hundred forty-five thousand, two hundred thirteen".