1061609 has 2 divisors, whose sum is σ = 1061610. Its totient is φ = 1061608.

The previous prime is 1061597. The next prime is 1061617. The reversal of 1061609 is 9061601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 994009 + 67600 = 997^2 + 260^2 .

It is a cyclic number.

It is not a de Polignac number, because 1061609 - 2⁸ = 1061353 is a prime.

It is a super-2 number, since 2×1061609² = 2254027337762, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1061629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530804 + 530805.

It is an arithmetic number, because the mean of its divisors is an integer number (530805).

2^1061609 is an apocalyptic number.

It is an amenable number.

1061609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061609 is an equidigital number, since it uses as much as digits as its factorization.

1061609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 23.

The square root of 1061609 is about 1030.3441172734. The cubic root of 1061609 is about 102.0128460048.

The spelling of 1061609 in words is "one million, sixty-one thousand, six hundred nine".