1004550005 has 4 divisors (see below), whose sum is σ = 1205460012. Its totient is φ = 803640000.

The previous prime is 1004549983. The next prime is 1004550023. The reversal of 1004550005 is 5000554001.

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

It can be written as a sum of positive squares in 2 ways, for example, as 593312164 + 411237841 = 24358^2 + 20279^2 .

It is not a de Polignac number, because 1004550005 - 2¹⁸ = 1004287861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100454996 + ... + 100455005.

It is an arithmetic number, because the mean of its divisors is an integer number (301365003).

Almost surely, 2^1004550005 is an apocalyptic number.

It is an amenable number.

1004550005 is a deficient number, since it is larger than the sum of its proper divisors (200910007).

1004550005 is an equidigital number, since it uses as much as digits as its factorization.

1004550005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200910006.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 1004550005 is about 31694.6368491579. The cubic root of 1004550005 is about 1001.5143738475.

The spelling of 1004550005 in words is "one billion, four million, five hundred fifty thousand, five".