205070925 has 12 divisors (see below), whose sum is σ = 339050720. Its totient is φ = 109371120.

The previous prime is 205070911. The next prime is 205070927. The reversal of 205070925 is 529070502.

It is a happy number.

It is not a de Polignac number, because 205070925 - 2⁸ = 205070669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 205070892 and 205070901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205070927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1367065 + ... + 1367214.

Almost surely, 2^205070925 is an apocalyptic number.

205070925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

205070925 is a deficient number, since it is larger than the sum of its proper divisors (133979795).

205070925 is a wasteful number, since it uses less digits than its factorization.

205070925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2734292 (or 2734287 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 30.

The square root of 205070925 is about 14320.2976575209. The cubic root of 205070925 is about 589.7048461465.

The spelling of 205070925 in words is "two hundred five million, seventy thousand, nine hundred twenty-five".