10561251 has 8 divisors (see below), whose sum is σ = 14144080. Its totient is φ = 7009632.

The previous prime is 10561237. The next prime is 10561253. The reversal of 10561251 is 15216501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10561251 - 2⁵ = 10561219 is a prime.

It is a super-2 number, since 2×10561251² = 223080045370002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10561253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7000 + ... + 8373.

It is an arithmetic number, because the mean of its divisors is an integer number (1768010).

Almost surely, 2^10561251 is an apocalyptic number.

10561251 is a deficient number, since it is larger than the sum of its proper divisors (3582829).

10561251 is a wasteful number, since it uses less digits than its factorization.

10561251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15605.

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 10561251 is about 3249.8078404730. The cubic root of 10561251 is about 219.4009252565.

Adding to 10561251 its reverse (15216501), we get a palindrome (25777752).

The spelling of 10561251 in words is "ten million, five hundred sixty-one thousand, two hundred fifty-one".