10659421 has 2 divisors, whose sum is σ = 10659422. Its totient is φ = 10659420.

The previous prime is 10659409. The next prime is 10659431. The reversal of 10659421 is 12495601.

10659421 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., 6996025 + 3663396 = 2645^2 + 1914^2 .

It is a cyclic number.

It is not a de Polignac number, because 10659421 - 2¹¹ = 10657373 is a prime.

It is a super-2 number, since 2×10659421² = 227246512110482, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10659421.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10659401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5329710 + 5329711.

It is an arithmetic number, because the mean of its divisors is an integer number (5329711).

Almost surely, 2^10659421 is an apocalyptic number.

It is an amenable number.

10659421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10659421 is an equidigital number, since it uses as much as digits as its factorization.

10659421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 10659421 is about 3264.8768736355. The cubic root of 10659421 is about 220.0786289191.

The spelling of 10659421 in words is "ten million, six hundred fifty-nine thousand, four hundred twenty-one".