205761425 has 12 divisors (see below), whose sum is σ = 258376320. Its totient is φ = 162523920.

The previous prime is 205761383. The next prime is 205761433. The reversal of 205761425 is 524167502.

It is not a de Polignac number, because 205761425 - 2⁸ = 205761169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205761391 and 205761400.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 50117 + ... + 54066.

It is an arithmetic number, because the mean of its divisors is an integer number (21531360).

Almost surely, 2^205761425 is an apocalyptic number.

205761425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205761425 is a deficient number, since it is larger than the sum of its proper divisors (52614895).

205761425 is a wasteful number, since it uses less digits than its factorization.

205761425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104272 (or 104267 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 205761425 is about 14344.3865327172. The cubic root of 205761425 is about 590.3659751805.

The spelling of 205761425 in words is "two hundred five million, seven hundred sixty-one thousand, four hundred twenty-five".