1056563 has 2 divisors, whose sum is σ = 1056564. Its totient is φ = 1056562.

The previous prime is 1056541. The next prime is 1056569. The reversal of 1056563 is 3656501.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1056563 - 2¹⁶ = 991027 is a prime.

It is a super-2 number, since 2×1056563² = 2232650745938, which contains 22 as substring.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (1056569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528281 + 528282.

It is an arithmetic number, because the mean of its divisors is an integer number (528282).

2^1056563 is an apocalyptic number.

1056563 is a deficient number, since it is larger than the sum of its proper divisors (1).

1056563 is an equidigital number, since it uses as much as digits as its factorization.

1056563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1056563 is about 1027.8925041073. The cubic root of 1056563 is about 101.8509613700.

The spelling of 1056563 in words is "one million, fifty-six thousand, five hundred sixty-three".