6345003 has 8 divisors (see below), whose sum is σ = 9668608. Its totient is φ = 3625704.

The previous prime is 6344983. The next prime is 6345007. The reversal of 6345003 is 3005436.

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

It is not a de Polignac number, because 6345003 - 2⁸ = 6344747 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 302143 = 6345003 / (6 + 3 + 4 + 5 + 0 + 0 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6345007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 151051 + ... + 151092.

It is an arithmetic number, because the mean of its divisors is an integer number (1208576).

Almost surely, 2^6345003 is an apocalyptic number.

6345003 is a deficient number, since it is larger than the sum of its proper divisors (3323605).

6345003 is a wasteful number, since it uses less digits than its factorization.

6345003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302153.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 6345003 is about 2518.9289390533. The cubic root of 6345003 is about 185.1302029606.

The spelling of 6345003 in words is "six million, three hundred forty-five thousand, three".