540701971 has 2 divisors, whose sum is σ = 540701972. Its totient is φ = 540701970.

The previous prime is 540701957. The next prime is 540702011. The reversal of 540701971 is 179107045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540701971 - 2⁵ = 540701939 is a prime.

It is not a weakly prime, because it can be changed into another prime (540701951) 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, 270350985 + 270350986.

It is an arithmetic number, because the mean of its divisors is an integer number (270350986).

Almost surely, 2^540701971 is an apocalyptic number.

540701971 is a deficient number, since it is larger than the sum of its proper divisors (1).

540701971 is an equidigital number, since it uses as much as digits as its factorization.

540701971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 34.

The square root of 540701971 is about 23252.9991829011. Note that the first 3 decimals coincide. The cubic root of 540701971 is about 814.6779919020.

The spelling of 540701971 in words is "five hundred forty million, seven hundred one thousand, nine hundred seventy-one".