5309603 has 4 divisors (see below), whose sum is σ = 5718048. Its totient is φ = 4901160.

The previous prime is 5309599. The next prime is 5309659. The reversal of 5309603 is 3069035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3069035 = 5 ⋅613807.

It is a cyclic number.

It is not a de Polignac number, because 5309603 - 2² = 5309599 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 (5309663) 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, 204203 + ... + 204228.

It is an arithmetic number, because the mean of its divisors is an integer number (1429512).

Almost surely, 2^5309603 is an apocalyptic number.

5309603 is a deficient number, since it is larger than the sum of its proper divisors (408445).

5309603 is a wasteful number, since it uses less digits than its factorization.

5309603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408444.

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 5309603 is about 2304.2575810877. The cubic root of 5309603 is about 174.4565782224.

The spelling of 5309603 in words is "five million, three hundred nine thousand, six hundred three".