348740081 has 2 divisors, whose sum is σ = 348740082. Its totient is φ = 348740080.

The previous prime is 348740039. The next prime is 348740083. The reversal of 348740081 is 180047843.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 322525681 + 26214400 = 17959^2 + 5120^2 .

It is an emirp because it is prime and its reverse (180047843) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 348740081 - 2⁶ = 348740017 is a prime.

It is a super-2 number, since 2×348740081² = 243239288191773122, which contains 22 as substring.

Together with 348740083, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (348740083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174370040 + 174370041.

It is an arithmetic number, because the mean of its divisors is an integer number (174370041).

Almost surely, 2^348740081 is an apocalyptic number.

It is an amenable number.

348740081 is a deficient number, since it is larger than the sum of its proper divisors (1).

348740081 is an equidigital number, since it uses as much as digits as its factorization.

348740081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 348740081 is about 18674.5838240106. The cubic root of 348740081 is about 703.8832350089.

The spelling of 348740081 in words is "three hundred forty-eight million, seven hundred forty thousand, eighty-one".