205205325 has 24 divisors (see below), whose sum is σ = 365372448. Its totient is φ = 101023680.

The previous prime is 205205323. The next prime is 205205383. The reversal of 205205325 is 523502502.

It is not a de Polignac number, because 205205325 - 2¹ = 205205323 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205205295 and 205205304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205205323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104259 + ... + 106208.

It is an arithmetic number, because the mean of its divisors is an integer number (15223852).

Almost surely, 2^205205325 is an apocalyptic number.

205205325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205205325 is a deficient number, since it is larger than the sum of its proper divisors (160167123).

205205325 is a wasteful number, since it uses less digits than its factorization.

205205325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210493 (or 210488 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 205205325 is about 14324.9895287920. The cubic root of 205205325 is about 589.8336455252.

Adding to 205205325 its reverse (523502502), we get a palindrome (728707827).

The spelling of 205205325 in words is "two hundred five million, two hundred five thousand, three hundred twenty-five".