348259397 has 2 divisors, whose sum is σ = 348259398. Its totient is φ = 348259396.

The previous prime is 348259393. The next prime is 348259409. The reversal of 348259397 is 793952843.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180660481 + 167598916 = 13441^2 + 12946^2 .

It is an emirp because it is prime and its reverse (793952843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348259397 - 2² = 348259393 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (348259393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174129698 + 174129699.

It is an arithmetic number, because the mean of its divisors is an integer number (174129699).

Almost surely, 2^348259397 is an apocalyptic number.

It is an amenable number.

348259397 is a deficient number, since it is larger than the sum of its proper divisors (1).

348259397 is an equidigital number, since it uses as much as digits as its factorization.

348259397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 50.

The square root of 348259397 is about 18661.7093804399. The cubic root of 348259397 is about 703.5596884301.

The spelling of 348259397 in words is "three hundred forty-eight million, two hundred fifty-nine thousand, three hundred ninety-seven".