1005500003 has 8 divisors (see below), whose sum is σ = 1089407088. Its totient is φ = 924344064.

The previous prime is 1005499997. The next prime is 1005500053. The reversal of 1005500003 is 3000055001.

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

It is a cyclic number.

It is not a de Polignac number, because 1005500003 - 2⁴ = 1005499987 is a prime.

It is a super-2 number, since 2×1005500003² = 2022060512066000018, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005500053) 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, 687026 + ... + 688487.

It is an arithmetic number, because the mean of its divisors is an integer number (136175886).

Almost surely, 2^1005500003 is an apocalyptic number.

1005500003 is a deficient number, since it is larger than the sum of its proper divisors (83907085).

1005500003 is a wasteful number, since it uses less digits than its factorization.

1005500003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375573.

The product of its (nonzero) digits is 75, while the sum is 14.

The square root of 1005500003 is about 31709.6200387201. The cubic root of 1005500003 is about 1001.8299834511.

Adding to 1005500003 its reverse (3000055001), we get a palindrome (4005555004).

The spelling of 1005500003 in words is "one billion, five million, five hundred thousand, three".