1056311 has 2 divisors, whose sum is σ = 1056312. Its totient is φ = 1056310.

The previous prime is 1056287. The next prime is 1056317. The reversal of 1056311 is 1136501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056311 - 2⁶ = 1056247 is a prime.

It is a super-2 number, since 2×1056311² = 2231585857442, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1056311.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1056317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528155 + 528156.

It is an arithmetic number, because the mean of its divisors is an integer number (528156).

2^1056311 is an apocalyptic number.

1056311 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056311 is an equidigital number, since it uses as much as digits as its factorization.

1056311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90, while the sum is 17.

The square root of 1056311 is about 1027.7699158858. The cubic root of 1056311 is about 101.8428632623.

The spelling of 1056311 in words is "one million, fifty-six thousand, three hundred eleven".