40233161 has 2 divisors, whose sum is σ = 40233162. Its totient is φ = 40233160.

The previous prime is 40233157. The next prime is 40233163. The reversal of 40233161 is 16133204.

40233161 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., 29767936 + 10465225 = 5456^2 + 3235^2 .

It is a cyclic number.

It is not a de Polignac number, because 40233161 - 2² = 40233157 is a prime.

Together with 40233163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (40233163) 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, 20116580 + 20116581.

It is an arithmetic number, because the mean of its divisors is an integer number (20116581).

Almost surely, 2^40233161 is an apocalyptic number.

It is an amenable number.

40233161 is a deficient number, since it is larger than the sum of its proper divisors (1).

40233161 is an equidigital number, since it uses as much as digits as its factorization.

40233161 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 40233161 is about 6342.9615322813. The cubic root of 40233161 is about 342.6584018750.

Adding to 40233161 its reverse (16133204), we get a palindrome (56366365).

The spelling of 40233161 in words is "forty million, two hundred thirty-three thousand, one hundred sixty-one".