40707613 has 2 divisors, whose sum is σ = 40707614. Its totient is φ = 40707612.

The previous prime is 40707577. The next prime is 40707617. The reversal of 40707613 is 31670704.

40707613 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39162564 + 1545049 = 6258^2 + 1243^2 .

It is a cyclic number.

It is not a de Polignac number, because 40707613 - 2²¹ = 38610461 is a prime.

It is equal to p_2474038 and since 40707613 and 2474038 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 (40707617) 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, 20353806 + 20353807.

It is an arithmetic number, because the mean of its divisors is an integer number (20353807).

Almost surely, 2^40707613 is an apocalyptic number.

It is an amenable number.

40707613 is a deficient number, since it is larger than the sum of its proper divisors (1).

40707613 is an equidigital number, since it uses as much as digits as its factorization.

40707613 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 40707613 is about 6380.2517975390. The cubic root of 40707613 is about 344.0000816883. Note that the first 4 decimals are identical.

The spelling of 40707613 in words is "forty million, seven hundred seven thousand, six hundred thirteen".