10643251 has 2 divisors, whose sum is σ = 10643252. Its totient is φ = 10643250.

The previous prime is 10643239. The next prime is 10643257. The reversal of 10643251 is 15234601.

10643251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10643251 - 2⁷ = 10643123 is a prime.

It is a super-2 number, since 2×10643251² = 226557583698002, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10643257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5321625 + 5321626.

It is an arithmetic number, because the mean of its divisors is an integer number (5321626).

Almost surely, 2^10643251 is an apocalyptic number.

10643251 is a deficient number, since it is larger than the sum of its proper divisors (1).

10643251 is an equidigital number, since it uses as much as digits as its factorization.

10643251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 10643251 is about 3262.3995769985. The cubic root of 10643251 is about 219.9672885248.

Adding to 10643251 its reverse (15234601), we get a palindrome (25877852).

The spelling of 10643251 in words is "ten million, six hundred forty-three thousand, two hundred fifty-one".