40599497 has 2 divisors, whose sum is σ = 40599498. Its totient is φ = 40599496.

The previous prime is 40599469. The next prime is 40599509. The reversal of 40599497 is 79499504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36675136 + 3924361 = 6056^2 + 1981^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40599497 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40599197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20299748 + 20299749.

It is an arithmetic number, because the mean of its divisors is an integer number (20299749).

Almost surely, 2^40599497 is an apocalyptic number.

It is an amenable number.

40599497 is a deficient number, since it is larger than the sum of its proper divisors (1).

40599497 is an equidigital number, since it uses as much as digits as its factorization.

40599497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 40599497 is about 6371.7734579942. The cubic root of 40599497 is about 343.6952665693.

The spelling of 40599497 in words is "forty million, five hundred ninety-nine thousand, four hundred ninety-seven".