545543303 has 2 divisors, whose sum is σ = 545543304. Its totient is φ = 545543302.

The previous prime is 545543291. The next prime is 545543347. The reversal of 545543303 is 303345545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545543303 - 2⁴ = 545543287 is a prime.

It is a super-3 number, since 3×545543303³ (a number of 27 digits) contains 333 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 545543303.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545543353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272771651 + 272771652.

It is an arithmetic number, because the mean of its divisors is an integer number (272771652).

Almost surely, 2^545543303 is an apocalyptic number.

545543303 is a deficient number, since it is larger than the sum of its proper divisors (1).

545543303 is an equidigital number, since it uses as much as digits as its factorization.

545543303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54000, while the sum is 32.

The square root of 545543303 is about 23356.8684330755. The cubic root of 545543303 is about 817.1022560524.

Adding to 545543303 its reverse (303345545), we get a palindrome (848888848).

The spelling of 545543303 in words is "five hundred forty-five million, five hundred forty-three thousand, three hundred three".