348391597 has 2 divisors, whose sum is σ = 348391598. Its totient is φ = 348391596.

The previous prime is 348391583. The next prime is 348391601. The reversal of 348391597 is 795193843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 282878761 + 65512836 = 16819^2 + 8094^2 .

It is an emirp because it is prime and its reverse (795193843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348391597 - 2¹⁹ = 347867309 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 348391597.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348391507) 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, 174195798 + 174195799.

It is an arithmetic number, because the mean of its divisors is an integer number (174195799).

Almost surely, 2^348391597 is an apocalyptic number.

It is an amenable number.

348391597 is a deficient number, since it is larger than the sum of its proper divisors (1).

348391597 is an equidigital number, since it uses as much as digits as its factorization.

348391597 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 49.

The square root of 348391597 is about 18665.2510564418. The cubic root of 348391597 is about 703.6487014140.

The spelling of 348391597 in words is "three hundred forty-eight million, three hundred ninety-one thousand, five hundred ninety-seven".