5981603 has 4 divisors (see below), whose sum is σ = 6333480. Its totient is φ = 5629728.

The previous prime is 5981579. The next prime is 5981609. The reversal of 5981603 is 3061895.

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

It is a cyclic number.

It is not a de Polignac number, because 5981603 - 2⁶ = 5981539 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5981603.

It is not an unprimeable number, because it can be changed into a prime (5981609) 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, 175913 + ... + 175946.

It is an arithmetic number, because the mean of its divisors is an integer number (1583370).

Almost surely, 2^5981603 is an apocalyptic number.

5981603 is a deficient number, since it is larger than the sum of its proper divisors (351877).

5981603 is a wasteful number, since it uses less digits than its factorization.

5981603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351876.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 5981603 is about 2445.7315878894. The cubic root of 5981603 is about 181.5261493235.

The spelling of 5981603 in words is "five million, nine hundred eighty-one thousand, six hundred three".