348067205257 has 2 divisors, whose sum is σ = 348067205258. Its totient is φ = 348067205256.

The previous prime is 348067205197. The next prime is 348067205309. The reversal of 348067205257 is 752502760843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 183694531216 + 164372674041 = 428596^2 + 405429^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348067205257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348067205257.

It is not a weakly prime, because it can be changed into another prime (348067208257) 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, 174033602628 + 174033602629.

It is an arithmetic number, because the mean of its divisors is an integer number (174033602629).

Almost surely, 2^348067205257 is an apocalyptic number.

It is an amenable number.

348067205257 is a deficient number, since it is larger than the sum of its proper divisors (1).

348067205257 is an equidigital number, since it uses as much as digits as its factorization.

348067205257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The spelling of 348067205257 in words is "three hundred forty-eight billion, sixty-seven million, two hundred five thousand, two hundred fifty-seven".