6465650 has 12 divisors (see below), whose sum is σ = 12026202. Its totient is φ = 2586240.

The previous prime is 6465623. The next prime is 6465653. The reversal of 6465650 is 565646.

It can be written as a sum of positive squares in 3 ways, for example, as 5257849 + 1207801 = 2293^2 + 1099^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6465653) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 64607 + ... + 64706.

Almost surely, 2^6465650 is an apocalyptic number.

6465650 is a deficient number, since it is larger than the sum of its proper divisors (5560552).

6465650 is a wasteful number, since it uses less digits than its factorization.

6465650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129325 (or 129320 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 6465650 is about 2542.7642438889. The cubic root of 6465650 is about 186.2962289342.

The spelling of 6465650 in words is "six million, four hundred sixty-five thousand, six hundred fifty".