7908265 has 4 divisors (see below), whose sum is σ = 9489924. Its totient is φ = 6326608.

The previous prime is 7908239. The next prime is 7908287. The reversal of 7908265 is 5628097.

7908265 = 1988² + 1989².

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5628097 = 137 ⋅41081.

It can be written as a sum of positive squares in 2 ways, for example, as 3952144 + 3956121 = 1988^2 + 1989^2 .

It is a cyclic number.

It is not a de Polignac number, because 7908265 - 2⁵ = 7908233 is a prime.

It is a Duffinian number.

7908265 is a lucky number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 790822 + ... + 790831.

It is an arithmetic number, because the mean of its divisors is an integer number (2372481).

Almost surely, 2^7908265 is an apocalyptic number.

7908265 is the 1989-th centered square number.

It is an amenable number.

7908265 is a deficient number, since it is larger than the sum of its proper divisors (1581659).

7908265 is a wasteful number, since it uses less digits than its factorization.

7908265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581658.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 7908265 is about 2812.1637576784. The cubic root of 7908265 is about 199.2326009260.

The spelling of 7908265 in words is "seven million, nine hundred eight thousand, two hundred sixty-five".