7967081 has 2 divisors, whose sum is σ = 7967082. Its totient is φ = 7967080.

The previous prime is 7967053. The next prime is 7967107. The reversal of 7967081 is 1807697.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5107600 + 2859481 = 2260^2 + 1691^2 .

It is an emirp because it is prime and its reverse (1807697) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7967081 is a prime.

It is a super-2 number, since 2×7967081² = 126948759321122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7967021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3983540 + 3983541.

It is an arithmetic number, because the mean of its divisors is an integer number (3983541).

Almost surely, 2^7967081 is an apocalyptic number.

It is an amenable number.

7967081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7967081 is an equidigital number, since it uses as much as digits as its factorization.

7967081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 7967081 is about 2822.6018139298. The cubic root of 7967081 is about 199.7252978664.

The spelling of 7967081 in words is "seven million, nine hundred sixty-seven thousand, eighty-one".