42530027 has 2 divisors, whose sum is σ = 42530028. Its totient is φ = 42530026.

The previous prime is 42530023. The next prime is 42530041. The reversal of 42530027 is 72003524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42530027 - 2² = 42530023 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42529984 and 42530011.

It is not a weakly prime, because it can be changed into another prime (42530021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21265013 + 21265014.

It is an arithmetic number, because the mean of its divisors is an integer number (21265014).

Almost surely, 2^42530027 is an apocalyptic number.

42530027 is a deficient number, since it is larger than the sum of its proper divisors (1).

42530027 is an equidigital number, since it uses as much as digits as its factorization.

42530027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 42530027 is about 6521.5049643468. The cubic root of 42530027 is about 349.0587690404.

The spelling of 42530027 in words is "forty-two million, five hundred thirty thousand, twenty-seven".