205300425 has 48 divisors (see below), whose sum is σ = 383100480. Its totient is φ = 96096000.

The previous prime is 205300423. The next prime is 205300439. The reversal of 205300425 is 524003502.

It is not a de Polignac number, because 205300425 - 2¹ = 205300423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (205300423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19635 + ... + 28215.

It is an arithmetic number, because the mean of its divisors is an integer number (7981260).

Almost surely, 2^205300425 is an apocalyptic number.

205300425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205300425 is a deficient number, since it is larger than the sum of its proper divisors (177800055).

205300425 is a wasteful number, since it uses less digits than its factorization.

205300425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8634 (or 8629 counting only the distinct ones).

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

The square root of 205300425 is about 14328.3085184539. The cubic root of 205300425 is about 589.9247486137.

Adding to 205300425 its reverse (524003502), we get a palindrome (729303927).

The spelling of 205300425 in words is "two hundred five million, three hundred thousand, four hundred twenty-five".