10561000 has 64 divisors (see below), whose sum is σ = 25272000. Its totient is φ = 4129600.

The previous prime is 10560997. The next prime is 10561013. The reversal of 10561000 is 16501.

It is a super-2 number, since 2×10561000² = 223069442000000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58911 + ... + 59089.

It is an arithmetic number, because the mean of its divisors is an integer number (394875).

Almost surely, 2^10561000 is an apocalyptic number.

10561000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10561000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12636000).

10561000 is an abundant number, since it is smaller than the sum of its proper divisors (14711000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10561000 is a wasteful number, since it uses less digits than its factorization.

10561000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 10561000 is about 3249.7692225757. The cubic root of 10561000 is about 219.3991871395.

Adding to 10561000 its reverse (16501), we get a palindrome (10577501).

The spelling of 10561000 in words is "ten million, five hundred sixty-one thousand".