7040981 has 2 divisors, whose sum is σ = 7040982. Its totient is φ = 7040980.

The previous prime is 7040953. The next prime is 7040983. The reversal of 7040981 is 1890407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4452100 + 2588881 = 2110^2 + 1609^2 .

It is a cyclic number.

It is not a de Polignac number, because 7040981 - 2¹⁰ = 7039957 is a prime.

It is a super-2 number, since 2×7040981² = 99150826884722, which contains 22 as substring.

Together with 7040983, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7040983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3520490 + 3520491.

It is an arithmetic number, because the mean of its divisors is an integer number (3520491).

Almost surely, 2^7040981 is an apocalyptic number.

It is an amenable number.

7040981 is a deficient number, since it is larger than the sum of its proper divisors (1).

7040981 is an equidigital number, since it uses as much as digits as its factorization.

7040981 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 7040981 is about 2653.4846899879. The cubic root of 7040981 is about 191.6656961093.

The spelling of 7040981 in words is "seven million, forty thousand, nine hundred eighty-one".