540053971 has 2 divisors, whose sum is σ = 540053972. Its totient is φ = 540053970.

The previous prime is 540053959. The next prime is 540053989. The reversal of 540053971 is 179350045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 540053971 - 2²¹ = 537956819 is a prime.

It is not a weakly prime, because it can be changed into another prime (540056971) 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, 270026985 + 270026986.

It is an arithmetic number, because the mean of its divisors is an integer number (270026986).

Almost surely, 2^540053971 is an apocalyptic number.

540053971 is a deficient number, since it is larger than the sum of its proper divisors (1).

540053971 is an equidigital number, since it uses as much as digits as its factorization.

540053971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18900, while the sum is 34.

The square root of 540053971 is about 23239.0613192530. The cubic root of 540053971 is about 814.3524136734.

The spelling of 540053971 in words is "five hundred forty million, fifty-three thousand, nine hundred seventy-one".