340501043 has 2 divisors, whose sum is σ = 340501044. Its totient is φ = 340501042.

The previous prime is 340501027. The next prime is 340501061. The reversal of 340501043 is 340105043.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 340501043 - 2⁴ = 340501027 is a prime.

It is not a weakly prime, because it can be changed into another prime (340501013) 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, 170250521 + 170250522.

It is an arithmetic number, because the mean of its divisors is an integer number (170250522).

Almost surely, 2^340501043 is an apocalyptic number.

340501043 is a deficient number, since it is larger than the sum of its proper divisors (1).

340501043 is an equidigital number, since it uses as much as digits as its factorization.

340501043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 340501043 is about 18452.6703487598. The cubic root of 340501043 is about 698.2958840307.

Adding to 340501043 its reverse (340105043), we get a palindrome (680606086).

The spelling of 340501043 in words is "three hundred forty million, five hundred one thousand, forty-three".