1079509 has 2 divisors, whose sum is σ = 1079510. Its totient is φ = 1079508.

The previous prime is 1079503. The next prime is 1079527. The reversal of 1079509 is 9059701.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030225 + 49284 = 1015^2 + 222^2 .

It is a cyclic number.

It is not a de Polignac number, because 1079509 - 2¹⁹ = 555221 is a 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 (1079503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 539754 + 539755.

It is an arithmetic number, because the mean of its divisors is an integer number (539755).

2^1079509 is an apocalyptic number.

It is an amenable number.

1079509 is a deficient number, since it is larger than the sum of its proper divisors (1).

1079509 is an equidigital number, since it uses as much as digits as its factorization.

1079509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2835, while the sum is 31.

The square root of 1079509 is about 1038.9942252005. The cubic root of 1079509 is about 102.5830063292.

The spelling of 1079509 in words is "one million, seventy-nine thousand, five hundred nine".