208315043 has 2 divisors, whose sum is σ = 208315044. Its totient is φ = 208315042.

The previous prime is 208315013. The next prime is 208315099. The reversal of 208315043 is 340513802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 208315043 - 2¹⁴ = 208298659 is a prime.

It is not a weakly prime, because it can be changed into another prime (208315013) 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, 104157521 + 104157522.

It is an arithmetic number, because the mean of its divisors is an integer number (104157522).

Almost surely, 2^208315043 is an apocalyptic number.

208315043 is a deficient number, since it is larger than the sum of its proper divisors (1).

208315043 is an equidigital number, since it uses as much as digits as its factorization.

208315043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 208315043 is about 14433.1231201012. The cubic root of 208315043 is about 592.7982017702.

Adding to 208315043 its reverse (340513802), we get a palindrome (548828845).

The spelling of 208315043 in words is "two hundred eight million, three hundred fifteen thousand, forty-three".