7382131 has 4 divisors (see below), whose sum is σ = 7816392. Its totient is φ = 6947872.

The previous prime is 7382119. The next prime is 7382143. The reversal of 7382131 is 1312837.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1312837 = 283 ⋅4639.

It is an interprime number because it is at equal distance from previous prime (7382119) and next prime (7382143).

It is a cyclic number.

It is not a de Polignac number, because 7382131 - 2⁵ = 7382099 is a prime.

It is a super-2 number, since 2×7382131² = 108991716202322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7382096 and 7382105.

It is not an unprimeable number, because it can be changed into a prime (7382171) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 217105 + ... + 217138.

It is an arithmetic number, because the mean of its divisors is an integer number (1954098).

Almost surely, 2^7382131 is an apocalyptic number.

7382131 is a deficient number, since it is larger than the sum of its proper divisors (434261).

7382131 is a wasteful number, since it uses less digits than its factorization.

7382131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434260.

The product of its digits is 1008, while the sum is 25.

The square root of 7382131 is about 2717.0077291020. The cubic root of 7382131 is about 194.7125372112.

Adding to 7382131 its reverse (1312837), we get a palindrome (8694968).

The spelling of 7382131 in words is "seven million, three hundred eighty-two thousand, one hundred thirty-one".