6455005 has 4 divisors (see below), whose sum is σ = 7746012. Its totient is φ = 5164000.

The previous prime is 6454997. The next prime is 6455017. The reversal of 6455005 is 5005546.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3193369 + 3261636 = 1787^2 + 1806^2 .

It is not a de Polignac number, because 6455005 - 2³ = 6454997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 645496 + ... + 645505.

It is an arithmetic number, because the mean of its divisors is an integer number (1936503).

Almost surely, 2^6455005 is an apocalyptic number.

It is an amenable number.

6455005 is a deficient number, since it is larger than the sum of its proper divisors (1291007).

6455005 is a wasteful number, since it uses less digits than its factorization.

6455005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1291006.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 6455005 is about 2540.6701871750. The cubic root of 6455005 is about 186.1939338472.

The spelling of 6455005 in words is "six million, four hundred fifty-five thousand, five".