5405603 has 4 divisors (see below), whose sum is σ = 6177840. Its totient is φ = 4633368.

The previous prime is 5405599. The next prime is 5405641. The reversal of 5405603 is 3065045.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3065045 = 5 ⋅613009.

It is a cyclic number.

It is not a de Polignac number, because 5405603 - 2² = 5405599 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5405003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 386108 + ... + 386121.

It is an arithmetic number, because the mean of its divisors is an integer number (1544460).

Almost surely, 2^5405603 is an apocalyptic number.

5405603 is a deficient number, since it is larger than the sum of its proper divisors (772237).

5405603 is an equidigital number, since it uses as much as digits as its factorization.

5405603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772236.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 5405603 is about 2324.9952688124. The cubic root of 5405603 is about 175.5017221012.

The spelling of 5405603 in words is "five million, four hundred five thousand, six hundred three".