540029977 has 2 divisors, whose sum is σ = 540029978. Its totient is φ = 540029976.

The previous prime is 540029887. The next prime is 540030061. The reversal of 540029977 is 779920045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457147161 + 82882816 = 21381^2 + 9104^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-540029977 is a prime.

It is not a weakly prime, because it can be changed into another prime (540029177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270014988 + 270014989.

It is an arithmetic number, because the mean of its divisors is an integer number (270014989).

Almost surely, 2^540029977 is an apocalyptic number.

It is an amenable number.

540029977 is a deficient number, since it is larger than the sum of its proper divisors (1).

540029977 is an equidigital number, since it uses as much as digits as its factorization.

540029977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 540029977 is about 23238.5450706364. The cubic root of 540029977 is about 814.3403532361.

The spelling of 540029977 in words is "five hundred forty million, twenty-nine thousand, nine hundred seventy-seven".