348542321 has 2 divisors, whose sum is σ = 348542322. Its totient is φ = 348542320.

The previous prime is 348542317. The next prime is 348542333. The reversal of 348542321 is 123245843.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 335292721 + 13249600 = 18311^2 + 3640^2 .

It is a cyclic number.

It is not a de Polignac number, because 348542321 - 2² = 348542317 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (348542221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174271160 + 174271161.

It is an arithmetic number, because the mean of its divisors is an integer number (174271161).

Almost surely, 2^348542321 is an apocalyptic number.

It is an amenable number.

348542321 is a deficient number, since it is larger than the sum of its proper divisors (1).

348542321 is an equidigital number, since it uses as much as digits as its factorization.

348542321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 32.

The square root of 348542321 is about 18669.2881760393. The cubic root of 348542321 is about 703.7501595213.

The spelling of 348542321 in words is "three hundred forty-eight million, five hundred forty-two thousand, three hundred twenty-one".