30925 has 6 divisors (see below), whose sum is σ = 38378. Its totient is φ = 24720.

The previous prime is 30911. The next prime is 30931. The reversal of 30925 is 52903.

It can be written as a sum of positive squares in 3 ways, for example, as 4356 + 26569 = 66^2 + 163^2 .

It is not a de Polignac number, because 30925 - 2⁵ = 30893 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 594 + ... + 643.

2³⁰⁹²⁵ is an apocalyptic number.

It is an amenable number.

30925 is a deficient number, since it is larger than the sum of its proper divisors (7453).

30925 is a wasteful number, since it uses less digits than its factorization.

30925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1247 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 30925 is about 175.8550539507. The cubic root of 30925 is about 31.3884523511.

The spelling of 30925 in words is "thirty thousand, nine hundred twenty-five".