545750017 has 2 divisors, whose sum is σ = 545750018. Its totient is φ = 545750016.

The previous prime is 545749999. The next prime is 545750021. The reversal of 545750017 is 710057545.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 539354176 + 6395841 = 23224^2 + 2529^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545750017 is a prime.

It is not a weakly prime, because it can be changed into another prime (545750027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272875008 + 272875009.

It is an arithmetic number, because the mean of its divisors is an integer number (272875009).

Almost surely, 2^545750017 is an apocalyptic number.

It is an amenable number.

545750017 is a deficient number, since it is larger than the sum of its proper divisors (1).

545750017 is an equidigital number, since it uses as much as digits as its factorization.

545750017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24500, while the sum is 34.

The square root of 545750017 is about 23361.2931362971. The cubic root of 545750017 is about 817.2054468506.

The spelling of 545750017 in words is "five hundred forty-five million, seven hundred fifty thousand, seventeen".