1000539 has 8 divisors (see below), whose sum is σ = 1482320. Its totient is φ = 667008.

The previous prime is 1000537. The next prime is 1000541. The reversal of 1000539 is 9350001.

It is an interprime number because it is at equal distance from previous prime (1000537) and next prime (1000541).

It is not a de Polignac number, because 1000539 - 2¹ = 1000537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000537) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18502 + ... + 18555.

It is an arithmetic number, because the mean of its divisors is an integer number (185290).

2^1000539 is an apocalyptic number.

1000539 is a deficient number, since it is larger than the sum of its proper divisors (481781).

1000539 is an equidigital number, since it uses as much as digits as its factorization.

1000539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37066 (or 37060 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1000539 is about 1000.2694636947. The cubic root of 1000539 is about 100.0179634396.

The spelling of 1000539 in words is "one million, five hundred thirty-nine", and thus it is an aban number.