1025585 has 16 divisors (see below), whose sum is σ = 1391040. Its totient is φ = 719040.

The previous prime is 1025579. The next prime is 1025611. The reversal of 1025585 is 5855201.

It is not a de Polignac number, because 1025585 - 2¹⁴ = 1009201 is a prime.

It is a Curzon number.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1274 + ... + 1916.

It is an arithmetic number, because the mean of its divisors is an integer number (86940).

2^1025585 is an apocalyptic number.

It is an amenable number.

1025585 is a deficient number, since it is larger than the sum of its proper divisors (365455).

1025585 is a wasteful number, since it uses less digits than its factorization.

1025585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 2000, while the sum is 26.

The square root of 1025585 is about 1012.7117062620. The cubic root of 1025585 is about 100.8456617366.

The spelling of 1025585 in words is "one million, twenty-five thousand, five hundred eighty-five".