1082565 has 40 divisors (see below), whose sum is σ = 2125728. Its totient is φ = 524880.

The previous prime is 1082533. The next prime is 1082573. The reversal of 1082565 is 5652801.

It is not a de Polignac number, because 1082565 - 2⁵ = 1082533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 98410 + ... + 98420.

2^1082565 is an apocalyptic number.

1082565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1082565 is a deficient number, since it is larger than the sum of its proper divisors (1043163).

1082565 is an frugal number, since it uses more digits than its factorization.

1082565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43 (or 19 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 1082565 is about 1040.4638388719. The cubic root of 1082565 is about 102.6797164406.

The spelling of 1082565 in words is "one million, eighty-two thousand, five hundred sixty-five".