540603977 has 2 divisors, whose sum is σ = 540603978. Its totient is φ = 540603976.

The previous prime is 540603967. The next prime is 540603991. The reversal of 540603977 is 779306045.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 387735481 + 152868496 = 19691^2 + 12364^2 .

It is a cyclic number.

It is not a de Polignac number, because 540603977 - 2²² = 536409673 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (540603907) 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, 270301988 + 270301989.

It is an arithmetic number, because the mean of its divisors is an integer number (270301989).

Almost surely, 2^540603977 is an apocalyptic number.

It is an amenable number.

540603977 is a deficient number, since it is larger than the sum of its proper divisors (1).

540603977 is an equidigital number, since it uses as much as digits as its factorization.

540603977 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 41.

The square root of 540603977 is about 23250.8919613851. The cubic root of 540603977 is about 814.6287729343.

The spelling of 540603977 in words is "five hundred forty million, six hundred three thousand, nine hundred seventy-seven".