42941191 has 2 divisors, whose sum is σ = 42941192. Its totient is φ = 42941190.

The previous prime is 42941189. The next prime is 42941237. The reversal of 42941191 is 19114924.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42941191 - 2¹ = 42941189 is a prime.

Together with 42941189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42941291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21470595 + 21470596.

It is an arithmetic number, because the mean of its divisors is an integer number (21470596).

Almost surely, 2^42941191 is an apocalyptic number.

42941191 is a deficient number, since it is larger than the sum of its proper divisors (1).

42941191 is an equidigital number, since it uses as much as digits as its factorization.

42941191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 31.

The square root of 42941191 is about 6552.9528458551. The cubic root of 42941191 is about 350.1800189578.

The spelling of 42941191 in words is "forty-two million, nine hundred forty-one thousand, one hundred ninety-one".