540463321 has 2 divisors, whose sum is σ = 540463322. Its totient is φ = 540463320.

The previous prime is 540463309. The next prime is 540463327. The reversal of 540463321 is 123364045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 352087696 + 188375625 = 18764^2 + 13725^2 .

It is a cyclic number.

It is not a de Polignac number, because 540463321 - 2¹⁷ = 540332249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 540463321.

It is not a weakly prime, because it can be changed into another prime (540463327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270231660 + 270231661.

It is an arithmetic number, because the mean of its divisors is an integer number (270231661).

Almost surely, 2^540463321 is an apocalyptic number.

It is an amenable number.

540463321 is a deficient number, since it is larger than the sum of its proper divisors (1).

540463321 is an equidigital number, since it uses as much as digits as its factorization.

540463321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 540463321 is about 23247.8670204387. The cubic root of 540463321 is about 814.5581159355.

The spelling of 540463321 in words is "five hundred forty million, four hundred sixty-three thousand, three hundred twenty-one".