340352237 has 2 divisors, whose sum is σ = 340352238. Its totient is φ = 340352236.

The previous prime is 340352227. The next prime is 340352261. The reversal of 340352237 is 732253043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 187854436 + 152497801 = 13706^2 + 12349^2 .

It is a cyclic number.

It is not a de Polignac number, because 340352237 - 2²⁰ = 339303661 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 (340352227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170176118 + 170176119.

It is an arithmetic number, because the mean of its divisors is an integer number (170176119).

Almost surely, 2^340352237 is an apocalyptic number.

It is an amenable number.

340352237 is a deficient number, since it is larger than the sum of its proper divisors (1).

340352237 is an equidigital number, since it uses as much as digits as its factorization.

340352237 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15120, while the sum is 29.

The square root of 340352237 is about 18448.6378087923. The cubic root of 340352237 is about 698.1941459596.

The spelling of 340352237 in words is "three hundred forty million, three hundred fifty-two thousand, two hundred thirty-seven".