540177971 has 2 divisors, whose sum is σ = 540177972. Its totient is φ = 540177970.

The previous prime is 540177959. The next prime is 540178013. The reversal of 540177971 is 179771045.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540177971 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540177371) 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, 270088985 + 270088986.

It is an arithmetic number, because the mean of its divisors is an integer number (270088986).

Almost surely, 2^540177971 is an apocalyptic number.

540177971 is a deficient number, since it is larger than the sum of its proper divisors (1).

540177971 is an equidigital number, since it uses as much as digits as its factorization.

540177971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 61740, while the sum is 41.

The square root of 540177971 is about 23241.7290880003. The cubic root of 540177971 is about 814.4147358222.

The spelling of 540177971 in words is "five hundred forty million, one hundred seventy-seven thousand, nine hundred seventy-one".