10521563 has 8 divisors (see below), whose sum is σ = 11487168. Its totient is φ = 9578304.

The previous prime is 10521559. The next prime is 10521571. The reversal of 10521563 is 36512501.

10521563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 10521563 - 2² = 10521559 is a prime.

It is a super-2 number, since 2×10521563² = 221406575925938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10521503) 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, 4595 + ... + 6492.

It is an arithmetic number, because the mean of its divisors is an integer number (1435896).

Almost surely, 2^10521563 is an apocalyptic number.

10521563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

10521563 is a deficient number, since it is larger than the sum of its proper divisors (965605).

10521563 is a wasteful number, since it uses less digits than its factorization.

10521563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11173.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 10521563 is about 3243.6958858685. The cubic root of 10521563 is about 219.1257522324.

The spelling of 10521563 in words is "ten million, five hundred twenty-one thousand, five hundred sixty-three".