540206530 has 8 divisors (see below), whose sum is σ = 972371772. Its totient is φ = 216082608.

The previous prime is 540206489. The next prime is 540206533. The reversal of 540206530 is 35602045.

It can be written as a sum of positive squares in 2 ways, for example, as 532271041 + 7935489 = 23071^2 + 2817^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 540206495 and 540206504.

It is not an unprimeable number, because it can be changed into a prime (540206533) 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, 27010317 + ... + 27010336.

Almost surely, 2^540206530 is an apocalyptic number.

540206530 is a deficient number, since it is larger than the sum of its proper divisors (432165242).

540206530 is a wasteful number, since it uses less digits than its factorization.

540206530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54020660.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 540206530 is about 23242.3434704851. The cubic root of 540206530 is about 814.4290881664.

Adding to 540206530 its reverse (35602045), we get a palindrome (575808575).

The spelling of 540206530 in words is "five hundred forty million, two hundred six thousand, five hundred thirty".