545463773 has 2 divisors, whose sum is σ = 545463774. Its totient is φ = 545463772.

The previous prime is 545463767. The next prime is 545463781. The reversal of 545463773 is 377364545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 471193849 + 74269924 = 21707^2 + 8618^2 .

It is a cyclic number.

It is not a de Polignac number, because 545463773 - 2⁸ = 545463517 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545463703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272731886 + 272731887.

It is an arithmetic number, because the mean of its divisors is an integer number (272731887).

Almost surely, 2^545463773 is an apocalyptic number.

It is an amenable number.

545463773 is a deficient number, since it is larger than the sum of its proper divisors (1).

545463773 is an equidigital number, since it uses as much as digits as its factorization.

545463773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1058400, while the sum is 44.

The square root of 545463773 is about 23355.1658739560. The cubic root of 545463773 is about 817.0625480524.

The spelling of 545463773 in words is "five hundred forty-five million, four hundred sixty-three thousand, seven hundred seventy-three".