6650459 has 2 divisors, whose sum is σ = 6650460. Its totient is φ = 6650458.

The previous prime is 6650443. The next prime is 6650467. The reversal of 6650459 is 9540566.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6650459 - 2⁴ = 6650443 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (6650659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3325229 + 3325230.

It is an arithmetic number, because the mean of its divisors is an integer number (3325230).

Almost surely, 2^6650459 is an apocalyptic number.

6650459 is a deficient number, since it is larger than the sum of its proper divisors (1).

6650459 is an equidigital number, since it uses as much as digits as its factorization.

6650459 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 6650459 is about 2578.8483863927. The cubic root of 6650459 is about 188.0545620266.

The spelling of 6650459 in words is "six million, six hundred fifty thousand, four hundred fifty-nine".