545676793 has 2 divisors, whose sum is σ = 545676794. Its totient is φ = 545676792.

The previous prime is 545676707. The next prime is 545676797. The reversal of 545676793 is 397676545.

It is a happy number.

545676793 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 430479504 + 115197289 = 20748^2 + 10733^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545676793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545676793.

It is not a weakly prime, because it can be changed into another prime (545676797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272838396 + 272838397.

It is an arithmetic number, because the mean of its divisors is an integer number (272838397).

Almost surely, 2^545676793 is an apocalyptic number.

It is an amenable number.

545676793 is a deficient number, since it is larger than the sum of its proper divisors (1).

545676793 is an equidigital number, since it uses as much as digits as its factorization.

545676793 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4762800, while the sum is 52.

The square root of 545676793 is about 23359.7258759601. The cubic root of 545676793 is about 817.1688967048.

The spelling of 545676793 in words is "five hundred forty-five million, six hundred seventy-six thousand, seven hundred ninety-three".