305025 has 36 divisors (see below), whose sum is σ = 593712. Its totient is φ = 137760.

The previous prime is 305023. The next prime is 305029. The reversal of 305025 is 520503.

It is not a de Polignac number, because 305025 - 2¹ = 305023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 304995 and 305013.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 305025.

It is not an unprimeable number, because it can be changed into a prime (305021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3634 + ... + 3716.

It is an arithmetic number, because the mean of its divisors is an integer number (16492).

2³⁰⁵⁰²⁵ is an apocalyptic number.

305025 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

305025 is a deficient number, since it is larger than the sum of its proper divisors (288687).

305025 is a wasteful number, since it uses less digits than its factorization.

305025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 15.

The square root of 305025 is about 552.2906843321. The cubic root of 305025 is about 67.3149940796.

Adding to 305025 its reverse (520503), we get a palindrome (825528).

The spelling of 305025 in words is "three hundred five thousand, twenty-five".