1005490585 has 16 divisors (see below), whose sum is σ = 1393708032. Its totient is φ = 688249600.

The previous prime is 1005490579. The next prime is 1005490589. The reversal of 1005490585 is 5850945001.

It is not a de Polignac number, because 1005490585 - 2⁵ = 1005490553 is a prime.

It is a super-2 number, since 2×1005490585² = 2022022633047284450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1005490589) 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, 536761 + ... + 538630.

It is an arithmetic number, because the mean of its divisors is an integer number (87106752).

Almost surely, 2^1005490585 is an apocalyptic number.

It is an amenable number.

1005490585 is a deficient number, since it is larger than the sum of its proper divisors (388217447).

1005490585 is a wasteful number, since it uses less digits than its factorization.

1005490585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1075424.

The product of its (nonzero) digits is 36000, while the sum is 37.

The square root of 1005490585 is about 31709.4715345431. The cubic root of 1005490585 is about 1001.8268555664.

The spelling of 1005490585 in words is "one billion, five million, four hundred ninety thousand, five hundred eighty-five".