10645931 has 2 divisors, whose sum is σ = 10645932. Its totient is φ = 10645930.

The previous prime is 10645919. The next prime is 10645933. The reversal of 10645931 is 13954601.

10645931 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 an emirp because it is prime and its reverse (13954601) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10645931 - 2⁶ = 10645867 is a prime.

It is a super-2 number, since 2×10645931² = 226671693713522, which contains 22 as substring.

Together with 10645933, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 10645894 and 10645903.

It is not a weakly prime, because it can be changed into another prime (10645933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5322965 + 5322966.

It is an arithmetic number, because the mean of its divisors is an integer number (5322966).

Almost surely, 2^10645931 is an apocalyptic number.

10645931 is a deficient number, since it is larger than the sum of its proper divisors (1).

10645931 is an equidigital number, since it uses as much as digits as its factorization.

10645931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 10645931 is about 3262.8102917577. The cubic root of 10645931 is about 219.9857497657.

The spelling of 10645931 in words is "ten million, six hundred forty-five thousand, nine hundred thirty-one".