10751561 has 4 divisors (see below), whose sum is σ = 10758852. Its totient is φ = 10744272.

The previous prime is 10751537. The next prime is 10751567. The reversal of 10751561 is 16515701.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 7529536 + 3222025 = 2744^2 + 1795^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10751561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10751561.

It is not an unprimeable number, because it can be changed into a prime (10751567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 566 + ... + 4671.

It is an arithmetic number, because the mean of its divisors is an integer number (2689713).

Almost surely, 2^10751561 is an apocalyptic number.

It is an amenable number.

10751561 is a deficient number, since it is larger than the sum of its proper divisors (7291).

10751561 is an equidigital number, since it uses as much as digits as its factorization.

10751561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7290.

The product of its (nonzero) digits is 1050, while the sum is 26.

The square root of 10751561 is about 3278.9573037781. The cubic root of 10751561 is about 220.7109301814.

The spelling of 10751561 in words is "ten million, seven hundred fifty-one thousand, five hundred sixty-one".