1066254311 has 4 divisors (see below), whose sum is σ = 1066415592. Its totient is φ = 1066093032.

The previous prime is 1066254307. The next prime is 1066254349. The reversal of 1066254311 is 1134526601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1066254311 - 2² = 1066254307 is a prime.

It is a super-2 number, since 2×1066254311² = 2273796511452169442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066254011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70280 + ... + 84093.

It is an arithmetic number, because the mean of its divisors is an integer number (266603898).

Almost surely, 2^1066254311 is an apocalyptic number.

1066254311 is a deficient number, since it is larger than the sum of its proper divisors (161281).

1066254311 is an equidigital number, since it uses as much as digits as its factorization.

1066254311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161280.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 1066254311 is about 32653.5497457780. The cubic root of 1066254311 is about 1021.6142295394.

The spelling of 1066254311 in words is "one billion, sixty-six million, two hundred fifty-four thousand, three hundred eleven".