6445652 has 12 divisors (see below), whose sum is σ = 11943540. Its totient is φ = 3033216.

The previous prime is 6445639. The next prime is 6445661. The reversal of 6445652 is 2565446.

It can be written as a sum of positive squares in 2 ways, for example, as 5550736 + 894916 = 2356^2 + 946^2 .

It is an Ulam 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, 47327 + ... + 47462.

It is an arithmetic number, because the mean of its divisors is an integer number (995295).

Almost surely, 2^6445652 is an apocalyptic number.

It is an amenable number.

6445652 is a deficient number, since it is larger than the sum of its proper divisors (5497888).

6445652 is a wasteful number, since it uses less digits than its factorization.

6445652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94810 (or 94808 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

The square root of 6445652 is about 2538.8288638662. The cubic root of 6445652 is about 186.1039616141.

The spelling of 6445652 in words is "six million, four hundred forty-five thousand, six hundred fifty-two".