30508325 has 6 divisors (see below), whose sum is σ = 37830354. Its totient is φ = 24406640.

The previous prime is 30508301. The next prime is 30508333. The reversal of 30508325 is 52380503.

It can be written as a sum of positive squares in 3 ways, for example, as 8988004 + 21520321 = 2998^2 + 4639^2 .

It is a de Polignac number, because none of the positive numbers 2^k-30508325 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30508294 and 30508303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 610142 + ... + 610191.

It is an arithmetic number, because the mean of its divisors is an integer number (6305059).

Almost surely, 2^30508325 is an apocalyptic number.

It is an amenable number.

30508325 is a deficient number, since it is larger than the sum of its proper divisors (7322029).

30508325 is a wasteful number, since it uses less digits than its factorization.

30508325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220343 (or 1220338 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 30508325 is about 5523.4341672550. The cubic root of 30508325 is about 312.4684128073.

Adding to 30508325 its reverse (52380503), we get a palindrome (82888828).

The spelling of 30508325 in words is "thirty million, five hundred eight thousand, three hundred twenty-five".