6435089 has 2 divisors, whose sum is σ = 6435090. Its totient is φ = 6435088.

The previous prime is 6435083. The next prime is 6435097. The reversal of 6435089 is 9805346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3900625 + 2534464 = 1975^2 + 1592^2 .

It is a cyclic number.

It is not a de Polignac number, because 6435089 - 2⁸ = 6434833 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6435083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3217544 + 3217545.

It is an arithmetic number, because the mean of its divisors is an integer number (3217545).

Almost surely, 2^6435089 is an apocalyptic number.

It is an amenable number.

6435089 is a deficient number, since it is larger than the sum of its proper divisors (1).

6435089 is an equidigital number, since it uses as much as digits as its factorization.

6435089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 6435089 is about 2536.7477210003. The cubic root of 6435089 is about 186.0022449338.

It can be divided in two parts, 64 and 35089, that added together give a palindrome (35153).

The spelling of 6435089 in words is "six million, four hundred thirty-five thousand, eighty-nine".