7184981 has 2 divisors, whose sum is σ = 7184982. Its totient is φ = 7184980.

The previous prime is 7184977. The next prime is 7185019. The reversal of 7184981 is 1894817.

It is an a-pointer prime, because the next prime (7185019) can be obtained adding 7184981 to its sum of digits (38).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6584356 + 600625 = 2566^2 + 775^2 .

It is an emirp because it is prime and its reverse (1894817) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7184981 - 2² = 7184977 is a prime.

It is a super-2 number, since 2×7184981² = 103247903940722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7184921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3592490 + 3592491.

It is an arithmetic number, because the mean of its divisors is an integer number (3592491).

Almost surely, 2^7184981 is an apocalyptic number.

It is an amenable number.

7184981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7184981 is an equidigital number, since it uses as much as digits as its factorization.

7184981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 38.

The square root of 7184981 is about 2680.4814865990. The cubic root of 7184981 is about 192.9635178522.

The spelling of 7184981 in words is "seven million, one hundred eighty-four thousand, nine hundred eighty-one".