208830652825 has 12 divisors (see below), whose sum is σ = 263195093548. Its totient is φ = 164325758400.

The previous prime is 208830652741. The next prime is 208830652831. The reversal of 208830652825 is 528256038802.

208830652825 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 6848721049 + 201981931776 = 82757^2 + 449424^2 .

It is not a de Polignac number, because 208830652825 - 2²⁷ = 208696435097 is a prime.

It is a super-2 number, since 2×208830652825² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68467542 + ... + 68470591.

Almost surely, 2^208830652825 is an apocalyptic number.

208830652825 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

208830652825 is a deficient number, since it is larger than the sum of its proper divisors (54364440723).

208830652825 is a wasteful number, since it uses less digits than its factorization.

208830652825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136938204 (or 136938199 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 208830652825 in words is "two hundred eight billion, eight hundred thirty million, six hundred fifty-two thousand, eight hundred twenty-five".