10644251 has 4 divisors (see below), whose sum is σ = 10728192. Its totient is φ = 10560312.

The previous prime is 10644233. The next prime is 10644269. The reversal of 10644251 is 15244601.

10644251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15244601 = 131 ⋅116371.

It is an interprime number because it is at equal distance from previous prime (10644233) and next prime (10644269).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10644251 is a prime.

It is a super-2 number, since 2×10644251² = 226600158702002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10644211) 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, 41780 + ... + 42033.

It is an arithmetic number, because the mean of its divisors is an integer number (2682048).

Almost surely, 2^10644251 is an apocalyptic number.

10644251 is a deficient number, since it is larger than the sum of its proper divisors (83941).

10644251 is an equidigital number, since it uses as much as digits as its factorization.

10644251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83940.

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 10644251 is about 3262.5528348212. The cubic root of 10644251 is about 219.9741774100.

Adding to 10644251 its reverse (15244601), we get a palindrome (25888852).

The spelling of 10644251 in words is "ten million, six hundred forty-four thousand, two hundred fifty-one".