208546225 has 12 divisors (see below), whose sum is σ = 273809484. Its totient is φ = 157022720.

The previous prime is 208546201. The next prime is 208546231. The reversal of 208546225 is 522645802.

208546225 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 18326961 + 190219264 = 4281^2 + 13792^2 .

It is not a de Polignac number, because 208546225 - 2⁵ = 208546193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 244924 + ... + 245773.

It is an arithmetic number, because the mean of its divisors is an integer number (22817457).

Almost surely, 2^208546225 is an apocalyptic number.

208546225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

208546225 is a deficient number, since it is larger than the sum of its proper divisors (65263259).

208546225 is a wasteful number, since it uses less digits than its factorization.

208546225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490724 (or 490719 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The square root of 208546225 is about 14441.1296303302. The cubic root of 208546225 is about 593.0174107900.

The spelling of 208546225 in words is "two hundred eight million, five hundred forty-six thousand, two hundred twenty-five".