1004551005 has 16 divisors (see below), whose sum is σ = 1615363200. Its totient is φ = 533066688.

The previous prime is 1004551003. The next prime is 1004551007. The reversal of 1004551005 is 5001554001.

It is an interprime number because it is at equal distance from previous prime (1004551003) and next prime (1004551007).

It is not a de Polignac number, because 1004551005 - 2¹ = 1004551003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004551003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 165282 + ... + 171251.

It is an arithmetic number, because the mean of its divisors is an integer number (100960200).

Almost surely, 2^1004551005 is an apocalyptic number.

1004551005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1004551005 is a deficient number, since it is larger than the sum of its proper divisors (610812195).

1004551005 is a wasteful number, since it uses less digits than its factorization.

1004551005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336740.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 1004551005 is about 31694.6526246936. The cubic root of 1004551005 is about 1001.5147061735.

The spelling of 1004551005 in words is "one billion, four million, five hundred fifty-one thousand, five".