1003473 has 6 divisors (see below), whose sum is σ = 1449474. Its totient is φ = 668976.

The previous prime is 1003469. The next prime is 1003507. The reversal of 1003473 is 3743001.

It can be written as a sum of positive squares in only one way, i.e., 986049 + 17424 = 993^2 + 132^2 .

It is not a de Polignac number, because 1003473 - 2² = 1003469 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1003433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55740 + ... + 55757.

It is an arithmetic number, because the mean of its divisors is an integer number (241579).

2^1003473 is an apocalyptic number.

It is an amenable number.

1003473 is a deficient number, since it is larger than the sum of its proper divisors (446001).

1003473 is a wasteful number, since it uses less digits than its factorization.

1003473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111503 (or 111500 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 1003473 is about 1001.7349948964. The cubic root of 1003473 is about 100.1156329054.

Adding to 1003473 its reverse (3743001), we get a palindrome (4746474).

The spelling of 1003473 in words is "one million, three thousand, four hundred seventy-three".