342805627 has 2 divisors, whose sum is σ = 342805628. Its totient is φ = 342805626.

The previous prime is 342805621. The next prime is 342805649. The reversal of 342805627 is 726508243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342805627 - 2¹¹ = 342803579 is a prime.

It is equal to p_18437554 and since 342805627 and 18437554 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (342805621) 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, 171402813 + 171402814.

It is an arithmetic number, because the mean of its divisors is an integer number (171402814).

Almost surely, 2^342805627 is an apocalyptic number.

342805627 is a deficient number, since it is larger than the sum of its proper divisors (1).

342805627 is an equidigital number, since it uses as much as digits as its factorization.

342805627 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 342805627 is about 18515.0108560595. The cubic root of 342805627 is about 699.8677484846.

The spelling of 342805627 in words is "three hundred forty-two million, eight hundred five thousand, six hundred twenty-seven".