205987325 has 24 divisors (see below), whose sum is σ = 265587168. Its totient is φ = 158345280.

The previous prime is 205987307. The next prime is 205987339. The reversal of 205987325 is 523789502.

It is not a de Polignac number, because 205987325 - 2¹⁸ = 205725181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75434 + ... + 78116.

It is an arithmetic number, because the mean of its divisors is an integer number (11066132).

Almost surely, 2^205987325 is an apocalyptic number.

205987325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205987325 is a deficient number, since it is larger than the sum of its proper divisors (59599843).

205987325 is a wasteful number, since it uses less digits than its factorization.

205987325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813 (or 2808 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 205987325 is about 14352.2585330672. The cubic root of 205987325 is about 590.5819452019.

The spelling of 205987325 in words is "two hundred five million, nine hundred eighty-seven thousand, three hundred twenty-five".