343460281 has 2 divisors, whose sum is σ = 343460282. Its totient is φ = 343460280.

The previous prime is 343460267. The next prime is 343460303. The reversal of 343460281 is 182064343.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 300675600 + 42784681 = 17340^2 + 6541^2 .

It is a cyclic number.

It is not a de Polignac number, because 343460281 - 2²¹ = 341363129 is a prime.

It is a super-2 number, since 2×343460281² = 235929929249197922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (343460261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171730140 + 171730141.

It is an arithmetic number, because the mean of its divisors is an integer number (171730141).

Almost surely, 2^343460281 is an apocalyptic number.

It is an amenable number.

343460281 is a deficient number, since it is larger than the sum of its proper divisors (1).

343460281 is an equidigital number, since it uses as much as digits as its factorization.

343460281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 343460281 is about 18532.6814303813. The cubic root of 343460281 is about 700.3129763711.

The spelling of 343460281 in words is "three hundred forty-three million, four hundred sixty thousand, two hundred eighty-one".