203354225 has 12 divisors (see below), whose sum is σ = 252917964. Its totient is φ = 162193920.

The previous prime is 203354209. The next prime is 203354237. The reversal of 203354225 is 522453302.

203354225 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 4910656 + 198443569 = 2216^2 + 14087^2 .

It is not a de Polignac number, because 203354225 - 2⁴ = 203354209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 203354194 and 203354203.

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, 3644 + ... + 20493.

It is an arithmetic number, because the mean of its divisors is an integer number (21076497).

Almost surely, 2^203354225 is an apocalyptic number.

203354225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

203354225 is a deficient number, since it is larger than the sum of its proper divisors (49563739).

203354225 is a wasteful number, since it uses less digits than its factorization.

203354225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24484 (or 24479 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 203354225 is about 14260.2322912357. The cubic root of 203354225 is about 588.0547107298.

The spelling of 203354225 in words is "two hundred three million, three hundred fifty-four thousand, two hundred twenty-five".