545215305403 has 2 divisors, whose sum is σ = 545215305404. Its totient is φ = 545215305402.

The previous prime is 545215305389. The next prime is 545215305431. The reversal of 545215305403 is 304503512545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545215305403 is a prime.

It is not a weakly prime, because it can be changed into another prime (545215305433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272607652701 + 272607652702.

It is an arithmetic number, because the mean of its divisors is an integer number (272607652702).

Almost surely, 2^545215305403 is an apocalyptic number.

545215305403 is a deficient number, since it is larger than the sum of its proper divisors (1).

545215305403 is an equidigital number, since it uses as much as digits as its factorization.

545215305403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180000, while the sum is 37.

Adding to 545215305403 its reverse (304503512545), we get a palindrome (849718817948).

The spelling of 545215305403 in words is "five hundred forty-five billion, two hundred fifteen million, three hundred five thousand, four hundred three".