342093187 has 2 divisors, whose sum is σ = 342093188. Its totient is φ = 342093186.

The previous prime is 342093137. The next prime is 342093203. The reversal of 342093187 is 781390243.

It is a strong prime.

It is an emirp because it is prime and its reverse (781390243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342093187 is a prime.

It is not a weakly prime, because it can be changed into another prime (342093107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171046593 + 171046594.

It is an arithmetic number, because the mean of its divisors is an integer number (171046594).

Almost surely, 2^342093187 is an apocalyptic number.

342093187 is a deficient number, since it is larger than the sum of its proper divisors (1).

342093187 is an equidigital number, since it uses as much as digits as its factorization.

342093187 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 342093187 is about 18495.7613252334. The cubic root of 342093187 is about 699.3825759791.

The spelling of 342093187 in words is "three hundred forty-two million, ninety-three thousand, one hundred eighty-seven".