540085913 has 2 divisors, whose sum is σ = 540085914. Its totient is φ = 540085912.

The previous prime is 540085877. The next prime is 540085919. The reversal of 540085913 is 319580045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 283989904 + 256096009 = 16852^2 + 16003^2 .

It is a cyclic number.

It is not a de Polignac number, because 540085913 - 2⁸ = 540085657 is a prime.

It is equal to p_28352663 and since 540085913 and 28352663 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (540085919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270042956 + 270042957.

It is an arithmetic number, because the mean of its divisors is an integer number (270042957).

Almost surely, 2^540085913 is an apocalyptic number.

It is an amenable number.

540085913 is a deficient number, since it is larger than the sum of its proper divisors (1).

540085913 is an equidigital number, since it uses as much as digits as its factorization.

540085913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 540085913 is about 23239.7485571596. The cubic root of 540085913 is about 814.3684685700.

The spelling of 540085913 in words is "five hundred forty million, eighty-five thousand, nine hundred thirteen".