1065563 has 8 divisors (see below), whose sum is σ = 1130880. Its totient is φ = 1002240.

The previous prime is 1065557. The next prime is 1065569. The reversal of 1065563 is 3655601.

It is an interprime number because it is at equal distance from previous prime (1065557) and next prime (1065569).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1065563 - 2⁸ = 1065307 is a prime.

It is a super-2 number, since 2×1065563² = 2270849013938, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 683 + ... + 1611.

It is an arithmetic number, because the mean of its divisors is an integer number (141360).

2^1065563 is an apocalyptic number.

1065563 is a deficient number, since it is larger than the sum of its proper divisors (65317).

1065563 is an equidigital number, since it uses as much as digits as its factorization.

1065563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 997.

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

The square root of 1065563 is about 1032.2611103786. The cubic root of 1065563 is about 102.1393392341.

The spelling of 1065563 in words is "one million, sixty-five thousand, five hundred sixty-three".