6565253 has 4 divisors (see below), whose sum is σ = 6572748. Its totient is φ = 6557760.

The previous prime is 6565249. The next prime is 6565259. The reversal of 6565253 is 3525656.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2696164 + 3869089 = 1642^2 + 1967^2 .

It is a cyclic number.

It is not a de Polignac number, because 6565253 - 2² = 6565249 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 (6565259) 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, 2228 + ... + 4253.

It is an arithmetic number, because the mean of its divisors is an integer number (1643187).

Almost surely, 2^6565253 is an apocalyptic number.

It is an amenable number.

6565253 is a deficient number, since it is larger than the sum of its proper divisors (7495).

6565253 is a wasteful number, since it uses less digits than its factorization.

6565253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7494.

The product of its digits is 27000, while the sum is 32.

The square root of 6565253 is about 2562.2749657287. The cubic root of 6565253 is about 187.2479861673.

The spelling of 6565253 in words is "six million, five hundred sixty-five thousand, two hundred fifty-three".