30807325 has 24 divisors (see below), whose sum is σ = 39497472. Its totient is φ = 23824320.

The previous prime is 30807317. The next prime is 30807331. The reversal of 30807325 is 52370803.

30807325 is a nontrivial binomial coefficient, being equal to C(7850, 2).

It is not a de Polignac number, because 30807325 - 2³ = 30807317 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30807293 and 30807302.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 184392 + ... + 184558.

It is an arithmetic number, because the mean of its divisors is an integer number (1645728).

Almost surely, 2^30807325 is an apocalyptic number.

30807325 is the 7849-th triangular number and also the 3925-th hexagonal number.

30807325 is the 2617-th centered nonagonal number.

It is an amenable number.

30807325 is a deficient number, since it is larger than the sum of its proper divisors (8690147).

30807325 is a wasteful number, since it uses less digits than its factorization.

30807325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 30807325 is about 5550.4346676634. The cubic root of 30807325 is about 313.4858890686.

The spelling of 30807325 in words is "thirty million, eight hundred seven thousand, three hundred twenty-five".