545908603 has 4 divisors (see below), whose sum is σ = 546059808. Its totient is φ = 545757400.

The previous prime is 545908591. The next prime is 545908637. The reversal of 545908603 is 306809545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545908603 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (545908303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70051 + ... + 77452.

It is an arithmetic number, because the mean of its divisors is an integer number (136514952).

Almost surely, 2^545908603 is an apocalyptic number.

545908603 is a deficient number, since it is larger than the sum of its proper divisors (151205).

545908603 is a wasteful number, since it uses less digits than its factorization.

545908603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151204.

The product of its (nonzero) digits is 129600, while the sum is 40.

The square root of 545908603 is about 23364.6870939887. The cubic root of 545908603 is about 817.2845946826.

The spelling of 545908603 in words is "five hundred forty-five million, nine hundred eight thousand, six hundred three".