42931267 has 2 divisors, whose sum is σ = 42931268. Its totient is φ = 42931266.

The previous prime is 42931253. The next prime is 42931277. The reversal of 42931267 is 76213924.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42931267 - 2¹¹ = 42929219 is a prime.

It is not a weakly prime, because it can be changed into another prime (42931277) 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, 21465633 + 21465634.

It is an arithmetic number, because the mean of its divisors is an integer number (21465634).

Almost surely, 2^42931267 is an apocalyptic number.

42931267 is a deficient number, since it is larger than the sum of its proper divisors (1).

42931267 is an equidigital number, since it uses as much as digits as its factorization.

42931267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 42931267 is about 6552.1955862138. The cubic root of 42931267 is about 350.1530405549.

The spelling of 42931267 in words is "forty-two million, nine hundred thirty-one thousand, two hundred sixty-seven".