6505456 has 10 divisors (see below), whose sum is σ = 12604352. Its totient is φ = 3252720.

The previous prime is 6505453. The next prime is 6505469. The reversal of 6505456 is 6545056.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6505453) 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, 203280 + ... + 203311.

Almost surely, 2^6505456 is an apocalyptic number.

It is an amenable number.

6505456 is a deficient number, since it is larger than the sum of its proper divisors (6098896).

6505456 is a wasteful number, since it uses less digits than its factorization.

6505456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406599 (or 406593 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 6505456 is about 2550.5795419865. The cubic root of 6505456 is about 186.6777601117.

The spelling of 6505456 in words is "six million, five hundred five thousand, four hundred fifty-six".