6416533 has 2 divisors, whose sum is σ = 6416534. Its totient is φ = 6416532.

The previous prime is 6416521. The next prime is 6416537. The reversal of 6416533 is 3356146.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3617604 + 2798929 = 1902^2 + 1673^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6416533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6416537) 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, 3208266 + 3208267.

It is an arithmetic number, because the mean of its divisors is an integer number (3208267).

Almost surely, 2^6416533 is an apocalyptic number.

It is an amenable number.

6416533 is a deficient number, since it is larger than the sum of its proper divisors (1).

6416533 is an equidigital number, since it uses as much as digits as its factorization.

6416533 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 28.

The square root of 6416533 is about 2533.0876415947. The cubic root of 6416533 is about 185.8232896009.

The spelling of 6416533 in words is "six million, four hundred sixteen thousand, five hundred thirty-three".