545546213 has 2 divisors, whose sum is σ = 545546214. Its totient is φ = 545546212.

The previous prime is 545546207. The next prime is 545546219. The reversal of 545546213 is 312645545.

It is a balanced prime because it is at equal distance from previous prime (545546207) and next prime (545546219).

It can be written as a sum of positive squares in only one way, i.e., 488498404 + 57047809 = 22102^2 + 7553^2 .

It is a cyclic number.

It is not a de Polignac number, because 545546213 - 2²⁰ = 544497637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545546219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272773106 + 272773107.

It is an arithmetic number, because the mean of its divisors is an integer number (272773107).

Almost surely, 2^545546213 is an apocalyptic number.

It is an amenable number.

545546213 is a deficient number, since it is larger than the sum of its proper divisors (1).

545546213 is an equidigital number, since it uses as much as digits as its factorization.

545546213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72000, while the sum is 35.

The square root of 545546213 is about 23356.9307273023. The cubic root of 545546213 is about 817.1037088936.

The spelling of 545546213 in words is "five hundred forty-five million, five hundred forty-six thousand, two hundred thirteen".