40082113 has 2 divisors, whose sum is σ = 40082114. Its totient is φ = 40082112.

The previous prime is 40082087. The next prime is 40082131. The reversal of 40082113 is 31128004.

Together with next prime (40082131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39538944 + 543169 = 6288^2 + 737^2 .

It is a cyclic number.

It is not a de Polignac number, because 40082113 - 2²⁵ = 6527681 is a prime.

It is not a weakly prime, because it can be changed into another prime (40082173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20041056 + 20041057.

It is an arithmetic number, because the mean of its divisors is an integer number (20041057).

Almost surely, 2^40082113 is an apocalyptic number.

It is an amenable number.

40082113 is a deficient number, since it is larger than the sum of its proper divisors (1).

40082113 is an equidigital number, since it uses as much as digits as its factorization.

40082113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 40082113 is about 6331.0435948586. The cubic root of 40082113 is about 342.2290481427.

The spelling of 40082113 in words is "forty million, eighty-two thousand, one hundred thirteen".