545150503 has 2 divisors, whose sum is σ = 545150504. Its totient is φ = 545150502.

The previous prime is 545150453. The next prime is 545150513. The reversal of 545150503 is 305051545.

545150503 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 a de Polignac number, because none of the positive numbers 2^k-545150503 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545150513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272575251 + 272575252.

It is an arithmetic number, because the mean of its divisors is an integer number (272575252).

Almost surely, 2^545150503 is an apocalyptic number.

545150503 is a deficient number, since it is larger than the sum of its proper divisors (1).

545150503 is an equidigital number, since it uses as much as digits as its factorization.

545150503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 545150503 is about 23348.4582574525. The cubic root of 545150503 is about 816.9061000206.

The spelling of 545150503 in words is "five hundred forty-five million, one hundred fifty thousand, five hundred three".