205480925 has 24 divisors (see below), whose sum is σ = 275128224. Its totient is φ = 151335360.

The previous prime is 205480907. The next prime is 205480937. The reversal of 205480925 is 529084502.

It is a happy number.

It is not a de Polignac number, because 205480925 - 2⁶ = 205480861 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 182414 + ... + 183536.

It is an arithmetic number, because the mean of its divisors is an integer number (11463676).

Almost surely, 2^205480925 is an apocalyptic number.

205480925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205480925 is a deficient number, since it is larger than the sum of its proper divisors (69647299).

205480925 is a wasteful number, since it uses less digits than its factorization.

205480925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709 (or 1704 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 35.

The square root of 205480925 is about 14334.6058543652. The cubic root of 205480925 is about 590.0975851227.

The spelling of 205480925 in words is "two hundred five million, four hundred eighty thousand, nine hundred twenty-five".