342402791 has 2 divisors, whose sum is σ = 342402792. Its totient is φ = 342402790.

The previous prime is 342402787. The next prime is 342402793. The reversal of 342402791 is 197204243.

It is a strong prime.

It is an emirp because it is prime and its reverse (197204243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342402791 - 2² = 342402787 is a prime.

Together with 342402793, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342402793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171201395 + 171201396.

It is an arithmetic number, because the mean of its divisors is an integer number (171201396).

Almost surely, 2^342402791 is an apocalyptic number.

342402791 is a deficient number, since it is larger than the sum of its proper divisors (1).

342402791 is an equidigital number, since it uses as much as digits as its factorization.

342402791 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 342402791 is about 18504.1290257067. The cubic root of 342402791 is about 699.5934993587.

The spelling of 342402791 in words is "three hundred forty-two million, four hundred two thousand, seven hundred ninety-one".