342505481 has 2 divisors, whose sum is σ = 342505482. Its totient is φ = 342505480.

The previous prime is 342505463. The next prime is 342505483. The reversal of 342505481 is 184505243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 206899456 + 135606025 = 14384^2 + 11645^2 .

It is a cyclic number.

It is not a de Polignac number, because 342505481 - 2¹⁴ = 342489097 is a prime.

It is a super-2 number, since 2×342505481² = 234620009030082722, which contains 22 as substring.

Together with 342505483, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342505483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171252740 + 171252741.

It is an arithmetic number, because the mean of its divisors is an integer number (171252741).

Almost surely, 2^342505481 is an apocalyptic number.

It is an amenable number.

342505481 is a deficient number, since it is larger than the sum of its proper divisors (1).

342505481 is an equidigital number, since it uses as much as digits as its factorization.

342505481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 342505481 is about 18506.9036037907. The cubic root of 342505481 is about 699.6634307160.

The spelling of 342505481 in words is "three hundred forty-two million, five hundred five thousand, four hundred eighty-one".