30301825 has 12 divisors (see below), whose sum is σ = 37650988. Its totient is φ = 24192000.

The previous prime is 30301823. The next prime is 30301841. The reversal of 30301825 is 52810303.

It can be written as a sum of positive squares in 6 ways, for example, as 5461569 + 24840256 = 2337^2 + 4984^2 .

It is not a de Polignac number, because 30301825 - 2¹ = 30301823 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30301796 and 30301805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30301823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15925 + ... + 17725.

Almost surely, 2^30301825 is an apocalyptic number.

It is an amenable number.

30301825 is a deficient number, since it is larger than the sum of its proper divisors (7349163).

30301825 is a wasteful number, since it uses less digits than its factorization.

30301825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2484 (or 2479 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 30301825 is about 5504.7093474588. The cubic root of 30301825 is about 311.7618203301.

The spelling of 30301825 in words is "thirty million, three hundred one thousand, eight hundred twenty-five".