5721603 has 8 divisors (see below), whose sum is σ = 8030400. Its totient is φ = 3613608.

The previous prime is 5721601. The next prime is 5721619. The reversal of 5721603 is 3061275.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5721603 - 2¹ = 5721601 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5721601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50133 + ... + 50246.

It is an arithmetic number, because the mean of its divisors is an integer number (1003800).

Almost surely, 2^5721603 is an apocalyptic number.

5721603 is a deficient number, since it is larger than the sum of its proper divisors (2308797).

5721603 is a wasteful number, since it uses less digits than its factorization.

5721603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100401.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 5721603 is about 2391.9872491299. The cubic root of 5721603 is about 178.8569855247.

Adding to 5721603 its reverse (3061275), we get a palindrome (8782878).

The spelling of 5721603 in words is "five million, seven hundred twenty-one thousand, six hundred three".