5445003 has 4 divisors (see below), whose sum is σ = 7260008. Its totient is φ = 3630000.

The previous prime is 5444969. The next prime is 5445007. The reversal of 5445003 is 3005445.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-5445003 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5445007) 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 3 ways as a sum of consecutive naturals, for example, 907498 + ... + 907503.

It is an arithmetic number, because the mean of its divisors is an integer number (1815002).

Almost surely, 2^5445003 is an apocalyptic number.

5445003 is a deficient number, since it is larger than the sum of its proper divisors (1815005).

5445003 is a wasteful number, since it uses less digits than its factorization.

5445003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1815004.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 5445003 is about 2333.4530207399. The cubic root of 5445003 is about 175.9270854130.

The spelling of 5445003 in words is "five million, four hundred forty-five thousand, three".