42059287 has 2 divisors, whose sum is σ = 42059288. Its totient is φ = 42059286.

The previous prime is 42059279. The next prime is 42059323. The reversal of 42059287 is 78295024.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42059287 - 2³ = 42059279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42059257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21029643 + 21029644.

It is an arithmetic number, because the mean of its divisors is an integer number (21029644).

Almost surely, 2^42059287 is an apocalyptic number.

42059287 is a deficient number, since it is larger than the sum of its proper divisors (1).

42059287 is an equidigital number, since it uses as much as digits as its factorization.

42059287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 42059287 is about 6485.3131767094. The cubic root of 42059287 is about 347.7661456783.

The spelling of 42059287 in words is "forty-two million, fifty-nine thousand, two hundred eighty-seven".