1016563 has 8 divisors (see below), whose sum is σ = 1064448. Its totient is φ = 969864.

The previous prime is 1016527. The next prime is 1016567. The reversal of 1016563 is 3656101.

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 1016563 - 2⁹ = 1016051 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1016567) 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, 1770 + ... + 2272.

It is an arithmetic number, because the mean of its divisors is an integer number (133056).

2^1016563 is an apocalyptic number.

1016563 is a deficient number, since it is larger than the sum of its proper divisors (47885).

1016563 is an equidigital number, since it uses as much as digits as its factorization.

1016563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1016563 is about 1008.2474894588. The cubic root of 1016563 is about 100.5490795979.

The spelling of 1016563 in words is "one million, sixteen thousand, five hundred sixty-three".