7268981 has 2 divisors, whose sum is σ = 7268982. Its totient is φ = 7268980.

The previous prime is 7268971. The next prime is 7268999. The reversal of 7268981 is 1898627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6682225 + 586756 = 2585^2 + 766^2 .

It is a cyclic number.

It is not a de Polignac number, because 7268981 - 2²² = 3074677 is a prime.

It is a super-2 number, since 2×7268981² = 105676169556722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7268971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3634490 + 3634491.

It is an arithmetic number, because the mean of its divisors is an integer number (3634491).

Almost surely, 2^7268981 is an apocalyptic number.

It is an amenable number.

7268981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7268981 is an equidigital number, since it uses as much as digits as its factorization.

7268981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 7268981 is about 2696.1047828302. The cubic root of 7268981 is about 193.7125885449.

The spelling of 7268981 in words is "seven million, two hundred sixty-eight thousand, nine hundred eighty-one".