545128763 has 2 divisors, whose sum is σ = 545128764. Its totient is φ = 545128762.

The previous prime is 545128739. The next prime is 545128813. The reversal of 545128763 is 367821545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545128763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545128763.

It is not a weakly prime, because it can be changed into another prime (545128163) 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, 272564381 + 272564382.

It is an arithmetic number, because the mean of its divisors is an integer number (272564382).

Almost surely, 2^545128763 is an apocalyptic number.

545128763 is a deficient number, since it is larger than the sum of its proper divisors (1).

545128763 is an equidigital number, since it uses as much as digits as its factorization.

545128763 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The square root of 545128763 is about 23347.9926974462. The cubic root of 545128763 is about 816.8952407718.

The spelling of 545128763 in words is "five hundred forty-five million, one hundred twenty-eight thousand, seven hundred sixty-three".