42566267 has 2 divisors, whose sum is σ = 42566268. Its totient is φ = 42566266.

The previous prime is 42566257. The next prime is 42566281. The reversal of 42566267 is 76266524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42566267 - 2⁶ = 42566203 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42566267.

It is not a weakly prime, because it can be changed into another prime (42566257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21283133 + 21283134.

It is an arithmetic number, because the mean of its divisors is an integer number (21283134).

Almost surely, 2^42566267 is an apocalyptic number.

42566267 is a deficient number, since it is larger than the sum of its proper divisors (1).

42566267 is an equidigital number, since it uses as much as digits as its factorization.

42566267 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 42566267 is about 6524.2828724696. The cubic root of 42566267 is about 349.1578856675.

The spelling of 42566267 in words is "forty-two million, five hundred sixty-six thousand, two hundred sixty-seven".