1036591 has 4 divisors (see below), whose sum is σ = 1042000. Its totient is φ = 1031184.

The previous prime is 1036579. The next prime is 1036613. The reversal of 1036591 is 1956301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1036591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1036531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406 + ... + 2803.

It is an arithmetic number, because the mean of its divisors is an integer number (260500).

2^1036591 is an apocalyptic number.

1036591 is a deficient number, since it is larger than the sum of its proper divisors (5409).

1036591 is an equidigital number, since it uses as much as digits as its factorization.

1036591 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5408.

The product of its (nonzero) digits is 810, while the sum is 25.

The square root of 1036591 is about 1018.1311310435. The cubic root of 1036591 is about 101.2051185525.

The spelling of 1036591 in words is "one million, thirty-six thousand, five hundred ninety-one".