1066511 has 2 divisors, whose sum is σ = 1066512. Its totient is φ = 1066510.

The previous prime is 1066447. The next prime is 1066517. The reversal of 1066511 is 1156601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1066511 - 2⁶ = 1066447 is a prime.

It is a super-2 number, since 2×1066511² = 2274891426242, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533255 + 533256.

It is an arithmetic number, because the mean of its divisors is an integer number (533256).

2^1066511 is an apocalyptic number.

1066511 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066511 is an equidigital number, since it uses as much as digits as its factorization.

1066511 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 1066511 is about 1032.7201944380. The cubic root of 1066511 is about 102.1696203759.

The spelling of 1066511 in words is "one million, sixty-six thousand, five hundred eleven".