7275523 has 4 divisors (see below), whose sum is σ = 7280928. Its totient is φ = 7270120.

The previous prime is 7275511. The next prime is 7275529. The reversal of 7275523 is 3255727.

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 is a cyclic number.

It is not a de Polignac number, because 7275523 - 2⁹ = 7275011 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 d-powerful number, because it can be written as 7 + 2¹² + 7² + 5⁴ + 5⁸ + 2²¹ + 3¹⁴ .

It is a Duffinian number.

7275523 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (7275529) 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, 1113 + ... + 3973.

It is an arithmetic number, because the mean of its divisors is an integer number (1820232).

Almost surely, 2^7275523 is an apocalyptic number.

7275523 is a deficient number, since it is larger than the sum of its proper divisors (5405).

7275523 is a wasteful number, since it uses less digits than its factorization.

7275523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5404.

The product of its digits is 14700, while the sum is 31.

The square root of 7275523 is about 2697.3177417575. The cubic root of 7275523 is about 193.7706841601.

The spelling of 7275523 in words is "seven million, two hundred seventy-five thousand, five hundred twenty-three".