42277307 has 2 divisors, whose sum is σ = 42277308. Its totient is φ = 42277306.

The previous prime is 42277303. The next prime is 42277309. The reversal of 42277307 is 70377224.

42277307 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 not a de Polignac number, because 42277307 - 2² = 42277303 is a prime.

Together with 42277309, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (42277303) 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, 21138653 + 21138654.

It is an arithmetic number, because the mean of its divisors is an integer number (21138654).

Almost surely, 2^42277307 is an apocalyptic number.

42277307 is a deficient number, since it is larger than the sum of its proper divisors (1).

42277307 is an equidigital number, since it uses as much as digits as its factorization.

42277307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 42277307 is about 6502.1001991664. The cubic root of 42277307 is about 348.3660079898.

The spelling of 42277307 in words is "forty-two million, two hundred seventy-seven thousand, three hundred seven".