540321201 has 24 divisors (see below), whose sum is σ = 895302720. Its totient is φ = 307597536.

The previous prime is 540321193. The next prime is 540321209. The reversal of 540321201 is 102123045.

540321201 is a `hidden beast` number, since 540 + 3 + 2 + 120 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (540321193) and next prime (540321209).

It is not a de Polignac number, because 540321201 - 2³ = 540321193 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (540321209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1006 + ... + 32888.

It is an arithmetic number, because the mean of its divisors is an integer number (37304280).

Almost surely, 2^540321201 is an apocalyptic number.

It is an amenable number.

540321201 is a deficient number, since it is larger than the sum of its proper divisors (354981519).

540321201 is a wasteful number, since it uses less digits than its factorization.

540321201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32165 (or 32162 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 540321201 is about 23244.8101949661. The cubic root of 540321201 is about 814.4867110603.

Adding to 540321201 its reverse (102123045), we get a palindrome (642444246).

The spelling of 540321201 in words is "five hundred forty million, three hundred twenty-one thousand, two hundred one".