348933457 has 2 divisors, whose sum is σ = 348933458. Its totient is φ = 348933456.

The previous prime is 348933451. The next prime is 348933467. The reversal of 348933457 is 754339843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175721536 + 173211921 = 13256^2 + 13161^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348933457 is a prime.

It is not a weakly prime, because it can be changed into another prime (348933451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174466728 + 174466729.

It is an arithmetic number, because the mean of its divisors is an integer number (174466729).

Almost surely, 2^348933457 is an apocalyptic number.

It is an amenable number.

348933457 is a deficient number, since it is larger than the sum of its proper divisors (1).

348933457 is an equidigital number, since it uses as much as digits as its factorization.

348933457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 46.

The square root of 348933457 is about 18679.7606248046. The cubic root of 348933457 is about 704.0133118017.

The spelling of 348933457 in words is "three hundred forty-eight million, nine hundred thirty-three thousand, four hundred fifty-seven".