7275131 has 4 divisors (see below), whose sum is σ = 7347264. Its totient is φ = 7203000.

The previous prime is 7275091. The next prime is 7275161. The reversal of 7275131 is 1315727.

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

It is a cyclic number.

It is not a de Polignac number, because 7275131 - 2¹⁰ = 7274107 is a prime.

It is a super-2 number, since 2×7275131² = 105855062134322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7275131.

It is not an unprimeable number, because it can be changed into a prime (7275161) by changing a digit.

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, 35915 + ... + 36116.

It is an arithmetic number, because the mean of its divisors is an integer number (1836816).

Almost surely, 2^7275131 is an apocalyptic number.

7275131 is a deficient number, since it is larger than the sum of its proper divisors (72133).

7275131 is a wasteful number, since it uses less digits than its factorization.

7275131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72132.

The product of its digits is 1470, while the sum is 26.

The square root of 7275131 is about 2697.2450759988. The cubic root of 7275131 is about 193.7672040221.

The spelling of 7275131 in words is "seven million, two hundred seventy-five thousand, one hundred thirty-one".