215341349 has 2 divisors, whose sum is σ = 215341350. Its totient is φ = 215341348.

The previous prime is 215341331. The next prime is 215341361. The reversal of 215341349 is 943143512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 205005124 + 10336225 = 14318^2 + 3215^2 .

It is a cyclic number.

It is not a de Polignac number, because 215341349 - 2²⁴ = 198564133 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (215341309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107670674 + 107670675.

It is an arithmetic number, because the mean of its divisors is an integer number (107670675).

Almost surely, 2^215341349 is an apocalyptic number.

It is an amenable number.

215341349 is a deficient number, since it is larger than the sum of its proper divisors (1).

215341349 is an equidigital number, since it uses as much as digits as its factorization.

215341349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 32.

The square root of 215341349 is about 14674.5135864873. The cubic root of 215341349 is about 599.3895170245.

The spelling of 215341349 in words is "two hundred fifteen million, three hundred forty-one thousand, three hundred forty-nine".