348391913 has 2 divisors, whose sum is σ = 348391914. Its totient is φ = 348391912.

The previous prime is 348391903. The next prime is 348391937. The reversal of 348391913 is 319193843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342694144 + 5697769 = 18512^2 + 2387^2 .

It is a cyclic number.

It is not a de Polignac number, because 348391913 - 2¹⁴ = 348375529 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (348391903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174195956 + 174195957.

It is an arithmetic number, because the mean of its divisors is an integer number (174195957).

Almost surely, 2^348391913 is an apocalyptic number.

It is an amenable number.

348391913 is a deficient number, since it is larger than the sum of its proper divisors (1).

348391913 is an equidigital number, since it uses as much as digits as its factorization.

348391913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 348391913 is about 18665.2595213675. The cubic root of 348391913 is about 703.6489141563.

The spelling of 348391913 in words is "three hundred forty-eight million, three hundred ninety-one thousand, nine hundred thirteen".