208276313 has 12 divisors (see below), whose sum is σ = 246390480. Its totient is φ = 175494312.

The previous prime is 208276307. The next prime is 208276319. The reversal of 208276313 is 313672802.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (208276307) and next prime (208276319).

It is not a de Polignac number, because 208276313 - 2²² = 204082009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 208276313.

It is not an unprimeable number, because it can be changed into a prime (208276319) 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 in 11 ways as a sum of consecutive naturals, for example, 33131 + ... + 38912.

It is an arithmetic number, because the mean of its divisors is an integer number (20532540).

Almost surely, 2^208276313 is an apocalyptic number.

It is an amenable number.

208276313 is a deficient number, since it is larger than the sum of its proper divisors (38114167).

208276313 is an equidigital number, since it uses as much as digits as its factorization.

208276313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72116 (or 72109 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 208276313 is about 14431.7813522794. The cubic root of 208276313 is about 592.7614617489.

The spelling of 208276313 in words is "two hundred eight million, two hundred seventy-six thousand, three hundred thirteen".