6645314 has 8 divisors (see below), whose sum is σ = 10734780. Its totient is φ = 3067056.

The previous prime is 6645313. The next prime is 6645319. The reversal of 6645314 is 4135466.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5040025 + 1605289 = 2245^2 + 1267^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (6645313) 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, 127769 + ... + 127820.

Almost surely, 2^6645314 is an apocalyptic number.

6645314 is a deficient number, since it is larger than the sum of its proper divisors (4089466).

6645314 is a wasteful number, since it uses less digits than its factorization.

6645314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255604.

The product of its digits is 8640, while the sum is 29.

The square root of 6645314 is about 2577.8506551001. The cubic root of 6645314 is about 188.0060545809.

It can be divided in two parts, 664 and 5314, that multiplied together give a triangular number (3528496 = T₂₆₅₆).

The spelling of 6645314 in words is "six million, six hundred forty-five thousand, three hundred fourteen".