348712513 has 2 divisors, whose sum is σ = 348712514. Its totient is φ = 348712512.

The previous prime is 348712477. The next prime is 348712537. The reversal of 348712513 is 315217843.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 347897104 + 815409 = 18652^2 + 903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-348712513 is a prime.

It is not a weakly prime, because it can be changed into another prime (348712213) 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, 174356256 + 174356257.

It is an arithmetic number, because the mean of its divisors is an integer number (174356257).

Almost surely, 2^348712513 is an apocalyptic number.

It is an amenable number.

348712513 is a deficient number, since it is larger than the sum of its proper divisors (1).

348712513 is an equidigital number, since it uses as much as digits as its factorization.

348712513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 34.

The square root of 348712513 is about 18673.8456939110. The cubic root of 348712513 is about 703.8646871319.

The spelling of 348712513 in words is "three hundred forty-eight million, seven hundred twelve thousand, five hundred thirteen".