42536287 has 2 divisors, whose sum is σ = 42536288. Its totient is φ = 42536286.

The previous prime is 42536239. The next prime is 42536293. The reversal of 42536287 is 78263524.

42536287 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42536287 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42536987) 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, 21268143 + 21268144.

It is an arithmetic number, because the mean of its divisors is an integer number (21268144).

Almost surely, 2^42536287 is an apocalyptic number.

42536287 is a deficient number, since it is larger than the sum of its proper divisors (1).

42536287 is an equidigital number, since it uses as much as digits as its factorization.

42536287 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The square root of 42536287 is about 6521.9848972533. The cubic root of 42536287 is about 349.0758942015.

The spelling of 42536287 in words is "forty-two million, five hundred thirty-six thousand, two hundred eighty-seven".