342417457 has 2 divisors, whose sum is σ = 342417458. Its totient is φ = 342417456.

The previous prime is 342417437. The next prime is 342417473. The reversal of 342417457 is 754714243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 323136576 + 19280881 = 17976^2 + 4391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342417457 is a prime.

It is not a weakly prime, because it can be changed into another prime (342417407) 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, 171208728 + 171208729.

It is an arithmetic number, because the mean of its divisors is an integer number (171208729).

Almost surely, 2^342417457 is an apocalyptic number.

It is an amenable number.

342417457 is a deficient number, since it is larger than the sum of its proper divisors (1).

342417457 is an equidigital number, since it uses as much as digits as its factorization.

342417457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 94080, while the sum is 37.

The square root of 342417457 is about 18504.5253113934. The cubic root of 342417457 is about 699.6034876844.

The spelling of 342417457 in words is "three hundred forty-two million, four hundred seventeen thousand, four hundred fifty-seven".