1061311 has 2 divisors, whose sum is σ = 1061312. Its totient is φ = 1061310.

The previous prime is 1061297. The next prime is 1061317. The reversal of 1061311 is 1131601.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1061311 - 2⁵ = 1061279 is a prime.

It is a super-2 number, since 2×1061311² = 2252762077442, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1061291 and 1061300.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1061317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530655 + 530656.

It is an arithmetic number, because the mean of its divisors is an integer number (530656).

2^1061311 is an apocalyptic number.

1061311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1061311 is an equidigital number, since it uses as much as digits as its factorization.

1061311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1061311 is about 1030.1994952435. The cubic root of 1061311 is about 102.0032999061.

Adding to 1061311 its reverse (1131601), we get a palindrome (2192912).

The spelling of 1061311 in words is "one million, sixty-one thousand, three hundred eleven".