30420325 has 12 divisors (see below), whose sum is σ = 40623268. Its totient is φ = 22464000.

The previous prime is 30420317. The next prime is 30420337. The reversal of 30420325 is 52302403.

It can be written as a sum of positive squares in 6 ways, for example, as 16129 + 30404196 = 127^2 + 5514^2 .

It is not a de Polignac number, because 30420325 - 2³ = 30420317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46476 + ... + 47125.

Almost surely, 2^30420325 is an apocalyptic number.

It is an amenable number.

30420325 is a deficient number, since it is larger than the sum of its proper divisors (10202943).

30420325 is a wasteful number, since it uses less digits than its factorization.

30420325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93624 (or 93619 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 30420325 is about 5515.4623559589. The cubic root of 30420325 is about 312.1676894149.

Adding to 30420325 its reverse (52302403), we get a palindrome (82722728).

The spelling of 30420325 in words is "thirty million, four hundred twenty thousand, three hundred twenty-five".