7411981 has 2 divisors, whose sum is σ = 7411982. Its totient is φ = 7411980.

The previous prime is 7411979. The next prime is 7412057. The reversal of 7411981 is 1891147.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5546025 + 1865956 = 2355^2 + 1366^2 .

It is an emirp because it is prime and its reverse (1891147) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7411981 - 2¹ = 7411979 is a prime.

It is a super-2 number, since 2×7411981² = 109874924688722, which contains 22 as substring.

Together with 7411979, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7411081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3705990 + 3705991.

It is an arithmetic number, because the mean of its divisors is an integer number (3705991).

Almost surely, 2^7411981 is an apocalyptic number.

It is an amenable number.

7411981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7411981 is an equidigital number, since it uses as much as digits as its factorization.

7411981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2016, while the sum is 31.

The square root of 7411981 is about 2722.4953627141. The cubic root of 7411981 is about 194.9746274242.

The spelling of 7411981 in words is "seven million, four hundred eleven thousand, nine hundred eighty-one".