342550387 has 2 divisors, whose sum is σ = 342550388. Its totient is φ = 342550386.

The previous prime is 342550381. The next prime is 342550423. The reversal of 342550387 is 783055243.

It is a weak prime.

It is an emirp because it is prime and its reverse (783055243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342550387 - 2¹⁵ = 342517619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342550381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171275193 + 171275194.

It is an arithmetic number, because the mean of its divisors is an integer number (171275194).

Almost surely, 2^342550387 is an apocalyptic number.

342550387 is a deficient number, since it is larger than the sum of its proper divisors (1).

342550387 is an equidigital number, since it uses as much as digits as its factorization.

342550387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 342550387 is about 18508.1167869667. The cubic root of 342550387 is about 699.6940070763.

The spelling of 342550387 in words is "three hundred forty-two million, five hundred fifty thousand, three hundred eighty-seven".