540291503 has 2 divisors, whose sum is σ = 540291504. Its totient is φ = 540291502.

The previous prime is 540291473. The next prime is 540291509. The reversal of 540291503 is 305192045.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 540291503 - 2⁸ = 540291247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540291509) 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, 270145751 + 270145752.

It is an arithmetic number, because the mean of its divisors is an integer number (270145752).

Almost surely, 2^540291503 is an apocalyptic number.

540291503 is a deficient number, since it is larger than the sum of its proper divisors (1).

540291503 is an equidigital number, since it uses as much as digits as its factorization.

540291503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 540291503 is about 23244.1713769280. The cubic root of 540291503 is about 814.4717884121.

The spelling of 540291503 in words is "five hundred forty million, two hundred ninety-one thousand, five hundred three".