1066567 has 2 divisors, whose sum is σ = 1066568. Its totient is φ = 1066566.

The previous prime is 1066561. The next prime is 1066577. The reversal of 1066567 is 7656601.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1066567 - 2¹¹ = 1064519 is a prime.

It is a super-2 number, since 2×1066567² = 2275130330978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533283 + 533284.

It is an arithmetic number, because the mean of its divisors is an integer number (533284).

2^1066567 is an apocalyptic number.

1066567 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066567 is an equidigital number, since it uses as much as digits as its factorization.

1066567 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 1066567 is about 1032.7473069440. The cubic root of 1066567 is about 102.1714085739.

The spelling of 1066567 in words is "one million, sixty-six thousand, five hundred sixty-seven".