545515343 has 2 divisors, whose sum is σ = 545515344. Its totient is φ = 545515342.

The previous prime is 545515331. The next prime is 545515351. The reversal of 545515343 is 343515545.

545515343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 545515343 - 2⁶ = 545515279 is a prime.

It is a Sophie Germain prime.

It is equal to p_28622267 and since 545515343 and 28622267 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545515393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272757671 + 272757672.

It is an arithmetic number, because the mean of its divisors is an integer number (272757672).

Almost surely, 2^545515343 is an apocalyptic number.

545515343 is a deficient number, since it is larger than the sum of its proper divisors (1).

545515343 is an equidigital number, since it uses as much as digits as its factorization.

545515343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 90000, while the sum is 35.

The square root of 545515343 is about 23356.2698862639. The cubic root of 545515343 is about 817.0882965315.

The spelling of 545515343 in words is "five hundred forty-five million, five hundred fifteen thousand, three hundred forty-three".