30663125 has 20 divisors (see below), whose sum is σ = 38912544. Its totient is φ = 24150000.

The previous prime is 30663109. The next prime is 30663137. The reversal of 30663125 is 52136603.

It is not a de Polignac number, because 30663125 - 2⁴ = 30663109 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30663094 and 30663103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 44030 + ... + 44720.

Almost surely, 2^30663125 is an apocalyptic number.

It is an amenable number.

30663125 is a deficient number, since it is larger than the sum of its proper divisors (8249419).

30663125 is an frugal number, since it uses more digits than its factorization.

30663125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 26.

The square root of 30663125 is about 5537.4294577900. The cubic root of 30663125 is about 312.9960122932.

Adding to 30663125 its reverse (52136603), we get a palindrome (82799728).

The spelling of 30663125 in words is "thirty million, six hundred sixty-three thousand, one hundred twenty-five".