10561380 has 24 divisors (see below), whose sum is σ = 29572032. Its totient is φ = 2816352.

The previous prime is 10561379. The next prime is 10561381. The reversal of 10561380 is 8316501.

It is an interprime number because it is at equal distance from previous prime (10561379) and next prime (10561381).

It is a super-2 number, since 2×10561380² = 223085495008800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10561380.

It is not an unprimeable number, because it can be changed into a prime (10561381) 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, 87952 + ... + 88071.

It is an arithmetic number, because the mean of its divisors is an integer number (1232168).

Almost surely, 2^10561380 is an apocalyptic number.

10561380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10561380 is an abundant number, since it is smaller than the sum of its proper divisors (19010652).

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

10561380 is a wasteful number, since it uses less digits than its factorization.

10561380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176035 (or 176033 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 10561380 is about 3249.8276877398. The cubic root of 10561380 is about 219.4018185409.

Adding to 10561380 its reverse (8316501), we get a palindrome (18877881).

The spelling of 10561380 in words is "ten million, five hundred sixty-one thousand, three hundred eighty".