42254291 has 2 divisors, whose sum is σ = 42254292. Its totient is φ = 42254290.

The previous prime is 42254257. The next prime is 42254293. The reversal of 42254291 is 19245224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42254291 - 2¹⁴ = 42237907 is a prime.

It is a Sophie Germain prime.

Together with 42254293, 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 (42254293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21127145 + 21127146.

It is an arithmetic number, because the mean of its divisors is an integer number (21127146).

Almost surely, 2^42254291 is an apocalyptic number.

42254291 is a deficient number, since it is larger than the sum of its proper divisors (1).

42254291 is an equidigital number, since it uses as much as digits as its factorization.

42254291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 29.

The square root of 42254291 is about 6500.3300685427. The cubic root of 42254291 is about 348.3027790532.

The spelling of 42254291 in words is "forty-two million, two hundred fifty-four thousand, two hundred ninety-one".