30425530 has 8 divisors (see below), whose sum is σ = 54765972. Its totient is φ = 12170208.

The previous prime is 30425509. The next prime is 30425537. The reversal of 30425530 is 3552403.

It can be written as a sum of positive squares in 2 ways, for example, as 26532801 + 3892729 = 5151^2 + 1973^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30425537) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1521267 + ... + 1521286.

Almost surely, 2^30425530 is an apocalyptic number.

30425530 is a deficient number, since it is larger than the sum of its proper divisors (24340442).

30425530 is a wasteful number, since it uses less digits than its factorization.

30425530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3042560.

The product of its (nonzero) digits is 1800, while the sum is 22.

The square root of 30425530 is about 5515.9341910505. The cubic root of 30425530 is about 312.1854926452.

Adding to 30425530 its reverse (3552403), we get a palindrome (33977933).

The spelling of 30425530 in words is "thirty million, four hundred twenty-five thousand, five hundred thirty".