1063609 has 2 divisors, whose sum is σ = 1063610. Its totient is φ = 1063608.

The previous prime is 1063597. The next prime is 1063613. The reversal of 1063609 is 9063601.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1006009 + 57600 = 1003^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1063609 - 2¹¹ = 1061561 is a prime.

It is a super-2 number, since 2×1063609² = 2262528209762, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1063619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531804 + 531805.

It is an arithmetic number, because the mean of its divisors is an integer number (531805).

2^1063609 is an apocalyptic number.

It is an amenable number.

1063609 is a deficient number, since it is larger than the sum of its proper divisors (1).

1063609 is an equidigital number, since it uses as much as digits as its factorization.

1063609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 25.

The square root of 1063609 is about 1031.3142101222. The cubic root of 1063609 is about 102.0768675992.

The spelling of 1063609 in words is "one million, sixty-three thousand, six hundred nine".