1009559 has 2 divisors, whose sum is σ = 1009560. Its totient is φ = 1009558.

The previous prime is 1009537. The next prime is 1009573. The reversal of 1009559 is 9559001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1009559 - 2⁸ = 1009303 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1009159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504779 + 504780.

It is an arithmetic number, because the mean of its divisors is an integer number (504780).

2^1009559 is an apocalyptic number.

1009559 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009559 is an equidigital number, since it uses as much as digits as its factorization.

1009559 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2025, while the sum is 29.

The square root of 1009559 is about 1004.7681324564. The cubic root of 1009559 is about 100.3176234189.

The spelling of 1009559 in words is "one million, nine thousand, five hundred fifty-nine".