6565745 has 8 divisors (see below), whose sum is σ = 8150760. Its totient is φ = 5071360.

The previous prime is 6565739. The next prime is 6565747. The reversal of 6565745 is 5475656.

It can be written as a sum of positive squares in 4 ways, for example, as 1721344 + 4844401 = 1312^2 + 2201^2 .

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

It is not a de Polignac number, because 6565745 - 2⁴ = 6565729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6565699 and 6565708.

It is not an unprimeable number, because it can be changed into a prime (6565747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22496 + ... + 22785.

It is an arithmetic number, because the mean of its divisors is an integer number (1018845).

Almost surely, 2^6565745 is an apocalyptic number.

It is an amenable number.

6565745 is a deficient number, since it is larger than the sum of its proper divisors (1585015).

6565745 is a wasteful number, since it uses less digits than its factorization.

6565745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45315.

The product of its digits is 126000, while the sum is 38.

The square root of 6565745 is about 2562.3709723613. The cubic root of 6565745 is about 187.2526635046.

The spelling of 6565745 in words is "six million, five hundred sixty-five thousand, seven hundred forty-five".