545244103 has 2 divisors, whose sum is σ = 545244104. Its totient is φ = 545244102.

The previous prime is 545244101. The next prime is 545244113. The reversal of 545244103 is 301442545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 545244103 - 2¹ = 545244101 is a prime.

It is a super-2 number, since 2×545244103² = 594582263712549218, which contains 22 as substring.

Together with 545244101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (545244101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272622051 + 272622052.

It is an arithmetic number, because the mean of its divisors is an integer number (272622052).

Almost surely, 2^545244103 is an apocalyptic number.

545244103 is a deficient number, since it is larger than the sum of its proper divisors (1).

545244103 is an equidigital number, since it uses as much as digits as its factorization.

545244103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 545244103 is about 23350.4625864243. The cubic root of 545244103 is about 816.9528504347.

Adding to 545244103 its reverse (301442545), we get a palindrome (846686648).

The spelling of 545244103 in words is "five hundred forty-five million, two hundred forty-four thousand, one hundred three".