7999265 has 8 divisors (see below), whose sum is σ = 10163880. Its totient is φ = 6022912.

The previous prime is 7999249. The next prime is 7999283. The reversal of 7999265 is 5629997.

It can be written as a sum of positive squares in 4 ways, for example, as 153664 + 7845601 = 392^2 + 2801^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7999265 - 2⁴ = 7999249 is a prime.

It is a d-powerful number, because it can be written as 7⁸ + 9² + 9² + 9³ + 2⁹ + 6⁷ + 5⁹ .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46970 + ... + 47139.

It is an arithmetic number, because the mean of its divisors is an integer number (1270485).

Almost surely, 2^7999265 is an apocalyptic number.

It is an amenable number.

7999265 is a deficient number, since it is larger than the sum of its proper divisors (2164615).

7999265 is a wasteful number, since it uses less digits than its factorization.

7999265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94131.

The product of its digits is 306180, while the sum is 47.

The square root of 7999265 is about 2828.2971908907. The cubic root of 7999265 is about 199.9938748124.

The spelling of 7999265 in words is "seven million, nine hundred ninety-nine thousand, two hundred sixty-five".