40012097 has 2 divisors, whose sum is σ = 40012098. Its totient is φ = 40012096.

The previous prime is 40012051. The next prime is 40012109. The reversal of 40012097 is 79021004.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36048016 + 3964081 = 6004^2 + 1991^2 .

It is a cyclic number.

It is not a de Polignac number, because 40012097 - 2¹⁰ = 40011073 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40012397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20006048 + 20006049.

It is an arithmetic number, because the mean of its divisors is an integer number (20006049).

Almost surely, 2^40012097 is an apocalyptic number.

It is an amenable number.

40012097 is a deficient number, since it is larger than the sum of its proper divisors (1).

40012097 is an equidigital number, since it uses as much as digits as its factorization.

40012097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 40012097 is about 6325.5115998629. The cubic root of 40012097 is about 342.0296618255.

The spelling of 40012097 in words is "forty million, twelve thousand, ninety-seven".