305925 has 12 divisors (see below), whose sum is σ = 505920. Its totient is φ = 163120.

The previous prime is 305917. The next prime is 305927. The reversal of 305925 is 529503.

It is not a de Polignac number, because 305925 - 2³ = 305917 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 305895 and 305904.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 305925.

It is not an unprimeable number, because it can be changed into a prime (305927) 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, 1965 + ... + 2114.

It is an arithmetic number, because the mean of its divisors is an integer number (42160).

2³⁰⁵⁹²⁵ is an apocalyptic number.

It is an amenable number.

305925 is a deficient number, since it is larger than the sum of its proper divisors (199995).

305925 is a wasteful number, since it uses less digits than its factorization.

305925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4092 (or 4087 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 305925 is about 553.1048725151. The cubic root of 305925 is about 67.3811351137.

The spelling of 305925 in words is "three hundred five thousand, nine hundred twenty-five".