40500289 has 2 divisors, whose sum is σ = 40500290. Its totient is φ = 40500288.

The previous prime is 40500287. The next prime is 40500301. The reversal of 40500289 is 98200504.

It is a happy number.

40500289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30470400 + 10029889 = 5520^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 40500289 - 2¹ = 40500287 is a prime.

Together with 40500287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (40500283) 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, 20250144 + 20250145.

It is an arithmetic number, because the mean of its divisors is an integer number (20250145).

Almost surely, 2^40500289 is an apocalyptic number.

It is an amenable number.

40500289 is a deficient number, since it is larger than the sum of its proper divisors (1).

40500289 is an equidigital number, since it uses as much as digits as its factorization.

40500289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 40500289 is about 6363.9837366228. The cubic root of 40500289 is about 343.4150896095.

The spelling of 40500289 in words is "forty million, five hundred thousand, two hundred eighty-nine".