205033025 has 6 divisors (see below), whose sum is σ = 254240982. Its totient is φ = 164026400.

The previous prime is 205033001. The next prime is 205033027. The reversal of 205033025 is 520330502.

It can be written as a sum of positive squares in 3 ways, for example, as 13957696 + 191075329 = 3736^2 + 13823^2 .

It is not a de Polignac number, because 205033025 - 2⁸ = 205032769 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 205032988 and 205033006.

It is not an unprimeable number, because it can be changed into a prime (205033027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4100636 + ... + 4100685.

It is an arithmetic number, because the mean of its divisors is an integer number (42373497).

Almost surely, 2^205033025 is an apocalyptic number.

205033025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205033025 is a deficient number, since it is larger than the sum of its proper divisors (49207957).

205033025 is an equidigital number, since it uses as much as digits as its factorization.

205033025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8201331 (or 8201326 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 20.

The square root of 205033025 is about 14318.9742998582. The cubic root of 205033025 is about 589.6685153166.

Adding to 205033025 its reverse (520330502), we get a palindrome (725363527).

The spelling of 205033025 in words is "two hundred five million, thirty-three thousand, twenty-five".