40512559 has 2 divisors, whose sum is σ = 40512560. Its totient is φ = 40512558.

The previous prime is 40512553. The next prime is 40512587. The reversal of 40512559 is 95521504.

40512559 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 is a cyclic number.

It is not a de Polignac number, because 40512559 - 2¹¹ = 40510511 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40512559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40512553) 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, 20256279 + 20256280.

It is an arithmetic number, because the mean of its divisors is an integer number (20256280).

Almost surely, 2^40512559 is an apocalyptic number.

40512559 is a deficient number, since it is larger than the sum of its proper divisors (1).

40512559 is an equidigital number, since it uses as much as digits as its factorization.

40512559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 40512559 is about 6364.9476824244. The cubic root of 40512559 is about 343.4497665447.

The spelling of 40512559 in words is "forty million, five hundred twelve thousand, five hundred fifty-nine".