342875947 has 2 divisors, whose sum is σ = 342875948. Its totient is φ = 342875946.

The previous prime is 342875893. The next prime is 342875977. The reversal of 342875947 is 749578243.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (749578243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342875947 - 2¹¹ = 342873899 is a prime.

It is a super-2 number, since 2×342875947² = 235127830062293618, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 342875947.

It is not a weakly prime, because it can be changed into another prime (342875977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171437973 + 171437974.

It is an arithmetic number, because the mean of its divisors is an integer number (171437974).

Almost surely, 2^342875947 is an apocalyptic number.

342875947 is a deficient number, since it is larger than the sum of its proper divisors (1).

342875947 is an equidigital number, since it uses as much as digits as its factorization.

342875947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 49.

The square root of 342875947 is about 18516.9097583803. The cubic root of 342875947 is about 699.9156000283.

The spelling of 342875947 in words is "three hundred forty-two million, eight hundred seventy-five thousand, nine hundred forty-seven".