30902325 has 12 divisors (see below), whose sum is σ = 51091968. Its totient is φ = 16481200.

The previous prime is 30902321. The next prime is 30902327. The reversal of 30902325 is 52320903.

It is not a de Polignac number, because 30902325 - 2² = 30902321 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 30902295 and 30902304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30902321) 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, 205941 + ... + 206090.

It is an arithmetic number, because the mean of its divisors is an integer number (4257664).

Almost surely, 2^30902325 is an apocalyptic number.

It is an amenable number.

30902325 is a deficient number, since it is larger than the sum of its proper divisors (20189643).

30902325 is a wasteful number, since it uses less digits than its factorization.

30902325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412044 (or 412039 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 30902325 is about 5558.9859686817. The cubic root of 30902325 is about 313.8077887025.

The spelling of 30902325 in words is "thirty million, nine hundred two thousand, three hundred twenty-five".