205125701 has 8 divisors (see below), whose sum is σ = 225537024. Its totient is φ = 185008320.

The previous prime is 205125673. The next prime is 205125709. The reversal of 205125701 is 107521502.

It is a happy number.

205125701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 205125701 - 2⁶ = 205125637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205125709) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72020 + ... + 74813.

It is an arithmetic number, because the mean of its divisors is an integer number (28192128).

Almost surely, 2^205125701 is an apocalyptic number.

It is an amenable number.

205125701 is a deficient number, since it is larger than the sum of its proper divisors (20411323).

205125701 is a wasteful number, since it uses less digits than its factorization.

205125701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146971.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 205125701 is about 14322.2100599035. The cubic root of 205125701 is about 589.7573463519.

The spelling of 205125701 in words is "two hundred five million, one hundred twenty-five thousand, seven hundred one".