1001046563 has 16 divisors (see below), whose sum is σ = 1151042400. Its totient is φ = 862068480.

The previous prime is 1001046551. The next prime is 1001046577. The reversal of 1001046563 is 3656401001.

1001046563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 1001046563 - 2¹⁴ = 1001030179 is a prime.

It is a super-2 number, since 2×1001046563² = 2004188442588225938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1001046593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12698 + ... + 46511.

It is an arithmetic number, because the mean of its divisors is an integer number (71940150).

Almost surely, 2^1001046563 is an apocalyptic number.

1001046563 is a deficient number, since it is larger than the sum of its proper divisors (149995837).

1001046563 is a wasteful number, since it uses less digits than its factorization.

1001046563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59302.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1001046563 is about 31639.3198883920. The cubic root of 1001046563 is about 1000.3487327047.

Adding to 1001046563 its reverse (3656401001), we get a palindrome (4657447564).

The spelling of 1001046563 in words is "one billion, one million, forty-six thousand, five hundred sixty-three".