6464653 has 4 divisors (see below), whose sum is σ = 6961948. Its totient is φ = 5967360.

The previous prime is 6464639. The next prime is 6464687. The reversal of 6464653 is 3564646.

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 4338889 + 2125764 = 2083^2 + 1458^2 .

It is a cyclic number.

It is not a de Polignac number, because 6464653 - 2⁹ = 6464141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6464153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 248628 + ... + 248653.

It is an arithmetic number, because the mean of its divisors is an integer number (1740487).

Almost surely, 2^6464653 is an apocalyptic number.

It is an amenable number.

6464653 is a deficient number, since it is larger than the sum of its proper divisors (497295).

6464653 is a wasteful number, since it uses less digits than its factorization.

6464653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497294.

The product of its digits is 51840, while the sum is 34.

The square root of 6464653 is about 2542.5681898427. The cubic root of 6464653 is about 186.2866528468.

It can be divided in two parts, 6464 and 653, that added together give a palindrome (7117).

The spelling of 6464653 in words is "six million, four hundred sixty-four thousand, six hundred fifty-three".