6616265 has 4 divisors (see below), whose sum is σ = 7939524. Its totient is φ = 5293008.

The previous prime is 6616231. The next prime is 6616271. The reversal of 6616265 is 5626166.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3433609 + 3182656 = 1853^2 + 1784^2 .

It is a cyclic number.

It is not a de Polignac number, because 6616265 - 2¹⁰ = 6615241 is a prime.

It is a Duffinian 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, 661622 + ... + 661631.

It is an arithmetic number, because the mean of its divisors is an integer number (1984881).

Almost surely, 2^6616265 is an apocalyptic number.

It is an amenable number.

6616265 is a deficient number, since it is larger than the sum of its proper divisors (1323259).

6616265 is a wasteful number, since it uses less digits than its factorization.

6616265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1323258.

The product of its digits is 12960, while the sum is 32.

The square root of 6616265 is about 2572.2101391605. The cubic root of 6616265 is about 187.7317076179.

Subtracting from 6616265 its reverse (5626166), we obtain a palindrome (990099).

The spelling of 6616265 in words is "six million, six hundred sixteen thousand, two hundred sixty-five".