340663201 has 2 divisors, whose sum is σ = 340663202. Its totient is φ = 340663200.

The previous prime is 340663199. The next prime is 340663229. The reversal of 340663201 is 102366043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340587025 + 76176 = 18455^2 + 276^2 .

It is a cyclic number.

It is not a de Polignac number, because 340663201 - 2¹ = 340663199 is a prime.

Together with 340663199, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (340663601) 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, 170331600 + 170331601.

It is an arithmetic number, because the mean of its divisors is an integer number (170331601).

Almost surely, 2^340663201 is an apocalyptic number.

It is an amenable number.

340663201 is a deficient number, since it is larger than the sum of its proper divisors (1).

340663201 is an equidigital number, since it uses as much as digits as its factorization.

340663201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 340663201 is about 18457.0637155535. The cubic root of 340663201 is about 698.4067170671.

The spelling of 340663201 in words is "three hundred forty million, six hundred sixty-three thousand, two hundred one".