10640293 has 2 divisors, whose sum is σ = 10640294. Its totient is φ = 10640292.

The previous prime is 10640281. The next prime is 10640299. The reversal of 10640293 is 39204601.

10640293 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 can be written as a sum of positive squares in only one way, i.e., 9345249 + 1295044 = 3057^2 + 1138^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10640293 is a prime.

It is a super-2 number, since 2×10640293² = 226431670251698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10640299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5320146 + 5320147.

It is an arithmetic number, because the mean of its divisors is an integer number (5320147).

Almost surely, 2^10640293 is an apocalyptic number.

It is an amenable number.

10640293 is a deficient number, since it is larger than the sum of its proper divisors (1).

10640293 is an equidigital number, since it uses as much as digits as its factorization.

10640293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 10640293 is about 3261.9461982074. The cubic root of 10640293 is about 219.9469086764.

Adding to 10640293 its reverse (39204601), we get a palindrome (49844894).

The spelling of 10640293 in words is "ten million, six hundred forty thousand, two hundred ninety-three".