545565233 has 2 divisors, whose sum is σ = 545565234. Its totient is φ = 545565232.

The previous prime is 545565227. The next prime is 545565247. The reversal of 545565233 is 332565545.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 421398784 + 124166449 = 20528^2 + 11143^2 .

It is a cyclic number.

It is not a de Polignac number, because 545565233 - 2⁶ = 545565169 is a prime.

It is not a weakly prime, because it can be changed into another prime (545565833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272782616 + 272782617.

It is an arithmetic number, because the mean of its divisors is an integer number (272782617).

Almost surely, 2^545565233 is an apocalyptic number.

It is an amenable number.

545565233 is a deficient number, since it is larger than the sum of its proper divisors (1).

545565233 is an equidigital number, since it uses as much as digits as its factorization.

545565233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 270000, while the sum is 38.

The square root of 545565233 is about 23357.3378834147. The cubic root of 545565233 is about 817.1132046562.

The spelling of 545565233 in words is "five hundred forty-five million, five hundred sixty-five thousand, two hundred thirty-three".