346354213 has 2 divisors, whose sum is σ = 346354214. Its totient is φ = 346354212.

The previous prime is 346354201. The next prime is 346354237. The reversal of 346354213 is 312453643.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 280127169 + 66227044 = 16737^2 + 8138^2 .

It is a cyclic number.

It is not a de Polignac number, because 346354213 - 2⁵ = 346354181 is a prime.

It is a super-2 number, since 2×346354213² = 239922481725698738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (346304213) 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, 173177106 + 173177107.

It is an arithmetic number, because the mean of its divisors is an integer number (173177107).

Almost surely, 2^346354213 is an apocalyptic number.

It is an amenable number.

346354213 is a deficient number, since it is larger than the sum of its proper divisors (1).

346354213 is an equidigital number, since it uses as much as digits as its factorization.

346354213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 346354213 is about 18610.5941065835. The cubic root of 346354213 is about 702.2743798282.

The spelling of 346354213 in words is "three hundred forty-six million, three hundred fifty-four thousand, two hundred thirteen".