7191265 has 4 divisors (see below), whose sum is σ = 8629524. Its totient is φ = 5753008.

The previous prime is 7191251. The next prime is 7191281. The reversal of 7191265 is 5621917.

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 876096 + 6315169 = 936^2 + 2513^2 .

It is a cyclic number.

It is not a de Polignac number, because 7191265 - 2¹⁹ = 6666977 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian 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, 719122 + ... + 719131.

It is an arithmetic number, because the mean of its divisors is an integer number (2157381).

Almost surely, 2^7191265 is an apocalyptic number.

It is an amenable number.

7191265 is a deficient number, since it is larger than the sum of its proper divisors (1438259).

7191265 is a wasteful number, since it uses less digits than its factorization.

7191265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438258.

The product of its digits is 3780, while the sum is 31.

The square root of 7191265 is about 2681.6534078810. The cubic root of 7191265 is about 193.0197568972.

The spelling of 7191265 in words is "seven million, one hundred ninety-one thousand, two hundred sixty-five".