42314891 has 2 divisors, whose sum is σ = 42314892. Its totient is φ = 42314890.

The previous prime is 42314879. The next prime is 42314893. The reversal of 42314891 is 19841324.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42314891 - 2⁶ = 42314827 is a prime.

Together with 42314893, 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 (42314893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21157445 + 21157446.

It is an arithmetic number, because the mean of its divisors is an integer number (21157446).

Almost surely, 2^42314891 is an apocalyptic number.

42314891 is a deficient number, since it is larger than the sum of its proper divisors (1).

42314891 is an equidigital number, since it uses as much as digits as its factorization.

42314891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 32.

The square root of 42314891 is about 6504.9897002224. The cubic root of 42314891 is about 348.4692084304.

The spelling of 42314891 in words is "forty-two million, three hundred fourteen thousand, eight hundred ninety-one".