540334481 has 2 divisors, whose sum is σ = 540334482. Its totient is φ = 540334480.

The previous prime is 540334441. The next prime is 540334493. The reversal of 540334481 is 184433045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318801025 + 221533456 = 17855^2 + 14884^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540334481 is a prime.

It is a super-2 number, since 2×540334481² = 583922702715078722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (540334441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270167240 + 270167241.

It is an arithmetic number, because the mean of its divisors is an integer number (270167241).

Almost surely, 2^540334481 is an apocalyptic number.

It is an amenable number.

540334481 is a deficient number, since it is larger than the sum of its proper divisors (1).

540334481 is an equidigital number, since it uses as much as digits as its factorization.

540334481 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 540334481 is about 23245.0958483720. The cubic root of 540334481 is about 814.4933838164.

The spelling of 540334481 in words is "five hundred forty million, three hundred thirty-four thousand, four hundred eighty-one".