1585005 has 8 divisors (see below), whose sum is σ = 2536032. Its totient is φ = 845328.

The previous prime is 1584983. The next prime is 1585007. The reversal of 1585005 is 5005851.

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

It is not a de Polignac number, because 1585005 - 2⁶ = 1584941 is a prime.

1585005 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1585007) 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, 52819 + ... + 52848.

It is an arithmetic number, because the mean of its divisors is an integer number (317004).

2^1585005 is an apocalyptic number.

1585005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1585005 is a deficient number, since it is larger than the sum of its proper divisors (951027).

1585005 is a wasteful number, since it uses less digits than its factorization.

1585005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105675.

The product of its (nonzero) digits is 1000, while the sum is 24.

The square root of 1585005 is about 1258.9698169535. The cubic root of 1585005 is about 116.5941817318.

The spelling of 1585005 in words is "one million, five hundred eighty-five thousand, five".