42281959 has 2 divisors, whose sum is σ = 42281960. Its totient is φ = 42281958.

The previous prime is 42281957. The next prime is 42282007. The reversal of 42281959 is 95918224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42281959 - 2¹ = 42281957 is a prime.

Together with 42281957, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42281957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21140979 + 21140980.

It is an arithmetic number, because the mean of its divisors is an integer number (21140980).

Almost surely, 2^42281959 is an apocalyptic number.

42281959 is a deficient number, since it is larger than the sum of its proper divisors (1).

42281959 is an equidigital number, since it uses as much as digits as its factorization.

42281959 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 40.

The square root of 42281959 is about 6502.4579198946. The cubic root of 42281959 is about 348.3787850511.

The spelling of 42281959 in words is "forty-two million, two hundred eighty-one thousand, nine hundred fifty-nine".