306025 has 6 divisors (see below), whose sum is σ = 379502. Its totient is φ = 244800.

The previous prime is 306023. The next prime is 306029. The reversal of 306025 is 520603.

It can be written as a sum of positive squares in 3 ways, for example, as 4624 + 301401 = 68^2 + 549^2 .

It is not a de Polignac number, because 306025 - 2¹ = 306023 is a prime.

It is an Ulam number.

It is a Duffinian number.

306025 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306023) 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, 6096 + ... + 6145.

2³⁰⁶⁰²⁵ is an apocalyptic number.

It is an amenable number.

306025 is a deficient number, since it is larger than the sum of its proper divisors (73477).

306025 is a wasteful number, since it uses less digits than its factorization.

306025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12251 (or 12246 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 306025 is about 553.1952638987. The cubic root of 306025 is about 67.3884761063.

Adding to 306025 its reverse (520603), we get a palindrome (826628).

The spelling of 306025 in words is "three hundred six thousand, twenty-five".