10390609 has 2 divisors, whose sum is σ = 10390610. Its totient is φ = 10390608.

The previous prime is 10390607. The next prime is 10390631. The reversal of 10390609 is 90609301.

It is a happy number.

10390609 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7049025 + 3341584 = 2655^2 + 1828^2 .

It is a cyclic number.

It is not a de Polignac number, because 10390609 - 2¹ = 10390607 is a prime.

Together with 10390607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10390603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5195304 + 5195305.

It is an arithmetic number, because the mean of its divisors is an integer number (5195305).

Almost surely, 2^10390609 is an apocalyptic number.

It is an amenable number.

10390609 is a deficient number, since it is larger than the sum of its proper divisors (1).

10390609 is an equidigital number, since it uses as much as digits as its factorization.

10390609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 10390609 is about 3223.4467577424. The cubic root of 10390609 is about 218.2128563745.

The spelling of 10390609 in words is "ten million, three hundred ninety thousand, six hundred nine".