7160381 has 2 divisors, whose sum is σ = 7160382. Its totient is φ = 7160380.

The previous prime is 7160369. The next prime is 7160389. The reversal of 7160381 is 1830617.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 217156 = 2635^2 + 466^2 .

It is an emirp because it is prime and its reverse (1830617) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7160381 is a prime.

It is a super-2 number, since 2×7160381² = 102542112130322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7160381.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7160389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3580190 + 3580191.

It is an arithmetic number, because the mean of its divisors is an integer number (3580191).

Almost surely, 2^7160381 is an apocalyptic number.

It is an amenable number.

7160381 is a deficient number, since it is larger than the sum of its proper divisors (1).

7160381 is an equidigital number, since it uses as much as digits as its factorization.

7160381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 7160381 is about 2675.8888242975. Note that the first 4 decimals coincide. The cubic root of 7160381 is about 192.7430426525.

Adding to 7160381 its reverse (1830617), we get a palindrome (8990998).

The spelling of 7160381 in words is "seven million, one hundred sixty thousand, three hundred eighty-one".