205126625 has 16 divisors (see below), whose sum is σ = 279272448. Its totient is φ = 149182000.

The previous prime is 205126553. The next prime is 205126633. The reversal of 205126625 is 526621502.

It is not a de Polignac number, because 205126625 - 2¹⁰ = 205125601 is a prime.

It is a Duffinian 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 15 ways as a sum of consecutive naturals, for example, 73217 + ... + 75966.

It is an arithmetic number, because the mean of its divisors is an integer number (17454528).

Almost surely, 2^205126625 is an apocalyptic number.

205126625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205126625 is a deficient number, since it is larger than the sum of its proper divisors (74145823).

205126625 is a wasteful number, since it uses less digits than its factorization.

205126625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149209 (or 149199 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 205126625 is about 14322.2423174585. The cubic root of 205126625 is about 589.7582318820.

The spelling of 205126625 in words is "two hundred five million, one hundred twenty-six thousand, six hundred twenty-five".