40797413 has 2 divisors, whose sum is σ = 40797414. Its totient is φ = 40797412.

The previous prime is 40797401. The next prime is 40797431. The reversal of 40797413 is 31479704.

40797413 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (40797431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30448324 + 10349089 = 5518^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 40797413 - 2⁴ = 40797397 is a prime.

It is a Chen prime.

It is equal to p_2479274 and since 40797413 and 2479274 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40797443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20398706 + 20398707.

It is an arithmetic number, because the mean of its divisors is an integer number (20398707).

Almost surely, 2^40797413 is an apocalyptic number.

It is an amenable number.

40797413 is a deficient number, since it is larger than the sum of its proper divisors (1).

40797413 is an equidigital number, since it uses as much as digits as its factorization.

40797413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 40797413 is about 6387.2852605782. The cubic root of 40797413 is about 344.2528478400.

The spelling of 40797413 in words is "forty million, seven hundred ninety-seven thousand, four hundred thirteen".