30280125 has 16 divisors (see below), whose sum is σ = 50386752. Its totient is φ = 16149200.

The previous prime is 30280109. The next prime is 30280139. The reversal of 30280125 is 52108203.

It is not a de Polignac number, because 30280125 - 2⁴ = 30280109 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39999 + ... + 40748.

It is an arithmetic number, because the mean of its divisors is an integer number (3149172).

Almost surely, 2^30280125 is an apocalyptic number.

It is an amenable number.

30280125 is a deficient number, since it is larger than the sum of its proper divisors (20106627).

30280125 is an equidigital number, since it uses as much as digits as its factorization.

30280125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80765 (or 80755 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 30280125 is about 5502.7379548730. The cubic root of 30280125 is about 311.6873820516.

Adding to 30280125 its reverse (52108203), we get a palindrome (82388328).

The spelling of 30280125 in words is "thirty million, two hundred eighty thousand, one hundred twenty-five".