6450005 has 8 divisors (see below), whose sum is σ = 8076672. Its totient is φ = 4935568.

The previous prime is 6449923. The next prime is 6450007. The reversal of 6450005 is 5000546.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6450005 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6450007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27929 + ... + 28158.

It is an arithmetic number, because the mean of its divisors is an integer number (1009584).

Almost surely, 2^6450005 is an apocalyptic number.

It is an amenable number.

6450005 is a deficient number, since it is larger than the sum of its proper divisors (1626667).

6450005 is a wasteful number, since it uses less digits than its factorization.

6450005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56115.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 6450005 is about 2539.6860042139. The cubic root of 6450005 is about 186.1458466061.

The spelling of 6450005 in words is "six million, four hundred fifty thousand, five".