30025 has 6 divisors (see below), whose sum is σ = 37262. Its totient is φ = 24000.

The previous prime is 30013. The next prime is 30029. The reversal of 30025 is 52003.

It can be written as a sum of positive squares in 3 ways, for example, as 441 + 29584 = 21^2 + 172^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30025 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 29993 and 30020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30029) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 576 + ... + 625.

2³⁰⁰²⁵ is an apocalyptic number.

It is an amenable number.

30025 is a deficient number, since it is larger than the sum of its proper divisors (7237).

30025 is a wasteful number, since it uses less digits than its factorization.

30025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211 (or 1206 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 10.

The square root of 30025 is about 173.2772345116. The cubic root of 30025 is about 31.0809538645.

Adding to 30025 its reverse (52003), we get a palindrome (82028).

It can be divided in two parts, 300 and 25, that added together give a triangular number (325 = T₂₅).

The spelling of 30025 in words is "thirty thousand, twenty-five".