6994003 has 4 divisors (see below), whose sum is σ = 7219648. Its totient is φ = 6768360.

The previous prime is 6993979. The next prime is 6994007. The reversal of 6994003 is 3004996.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6994003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 225613 = 6994003 / (6 + 9 + 9 + 4 + 0 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6994007) 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, 112776 + ... + 112837.

It is an arithmetic number, because the mean of its divisors is an integer number (1804912).

Almost surely, 2^6994003 is an apocalyptic number.

6994003 is a deficient number, since it is larger than the sum of its proper divisors (225645).

6994003 is a wasteful number, since it uses less digits than its factorization.

6994003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225644.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 6994003 is about 2644.6177417540. The cubic root of 6994003 is about 191.2384748206.

Adding to 6994003 its reverse (3004996), we get a palindrome (9998999).

It can be divided in two parts, 6 and 994003, that added together give a square (994009 = 997²).

The spelling of 6994003 in words is "six million, nine hundred ninety-four thousand, three".