7383281 has 2 divisors, whose sum is σ = 7383282. Its totient is φ = 7383280.

The previous prime is 7383269. The next prime is 7383283. The reversal of 7383281 is 1823837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 2298256 = 2255^2 + 1516^2 .

It is an emirp because it is prime and its reverse (1823837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7383281 - 2⁶ = 7383217 is a prime.

It is a super-2 number, since 2×7383281² = 109025676649922, which contains 22 as substring.

Together with 7383283, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7383283) 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 as a sum of consecutive naturals, namely, 3691640 + 3691641.

It is an arithmetic number, because the mean of its divisors is an integer number (3691641).

Almost surely, 2^7383281 is an apocalyptic number.

It is an amenable number.

7383281 is a deficient number, since it is larger than the sum of its proper divisors (1).

7383281 is an equidigital number, since it uses as much as digits as its factorization.

7383281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 32.

The square root of 7383281 is about 2717.2193507334. The cubic root of 7383281 is about 194.7226475615.

The spelling of 7383281 in words is "seven million, three hundred eighty-three thousand, two hundred eighty-one".