10561051 has 4 divisors (see below), whose sum is σ = 10570000. Its totient is φ = 10552104.

The previous prime is 10561043. The next prime is 10561099. The reversal of 10561051 is 15016501.

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, and also an emirpimes, since its reverse is a distinct semiprime: 15016501 = 1373 ⋅10937.

It is a cyclic number.

It is not a de Polignac number, because 10561051 - 2³ = 10561043 is a prime.

It is a super-2 number, since 2×10561051² = 223071596449202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10561451) 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, 2376 + ... + 5173.

It is an arithmetic number, because the mean of its divisors is an integer number (2642500).

Almost surely, 2^10561051 is an apocalyptic number.

10561051 is a deficient number, since it is larger than the sum of its proper divisors (8949).

10561051 is an equidigital number, since it uses as much as digits as its factorization.

10561051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 10561051 is about 3249.7770692772. Note that the first 3 decimals coincide. The cubic root of 10561051 is about 219.3995403050.

Adding to 10561051 its reverse (15016501), we get a palindrome (25577552).

The spelling of 10561051 in words is "ten million, five hundred sixty-one thousand, fifty-one".