545323517 has 2 divisors, whose sum is σ = 545323518. Its totient is φ = 545323516.

The previous prime is 545323487. The next prime is 545323547. The reversal of 545323517 is 715323545.

545323517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (545323487) and next prime (545323547).

It can be written as a sum of positive squares in only one way, i.e., 433514041 + 111809476 = 20821^2 + 10574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545323517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545323547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272661758 + 272661759.

It is an arithmetic number, because the mean of its divisors is an integer number (272661759).

Almost surely, 2^545323517 is an apocalyptic number.

It is an amenable number.

545323517 is a deficient number, since it is larger than the sum of its proper divisors (1).

545323517 is an equidigital number, since it uses as much as digits as its factorization.

545323517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63000, while the sum is 35.

The square root of 545323517 is about 23352.1630047411. The cubic root of 545323517 is about 816.9925111687.

The spelling of 545323517 in words is "five hundred forty-five million, three hundred twenty-three thousand, five hundred seventeen".