205322025 has 24 divisors (see below), whose sum is σ = 340362144. Its totient is φ = 109216000.

The previous prime is 205322023. The next prime is 205322041. The reversal of 205322025 is 520223502.

It is not a de Polignac number, because 205322025 - 2¹ = 205322023 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 205321992 and 205322010.

It is not an unprimeable number, because it can be changed into a prime (205322023) 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, 26662 + ... + 33488.

It is an arithmetic number, because the mean of its divisors is an integer number (14181756).

Almost surely, 2^205322025 is an apocalyptic number.

205322025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205322025 is a deficient number, since it is larger than the sum of its proper divisors (135040119).

205322025 is a wasteful number, since it uses less digits than its factorization.

205322025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7241 (or 7236 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 205322025 is about 14329.0622512431. The cubic root of 205322025 is about 589.9454368770.

Adding to 205322025 its reverse (520223502), we get a palindrome (725545527).

The spelling of 205322025 in words is "two hundred five million, three hundred twenty-two thousand, twenty-five".