30075125 has 16 divisors (see below), whose sum is σ = 39744432. Its totient is φ = 22643200.

The previous prime is 30075109. The next prime is 30075127. The reversal of 30075125 is 52157003.

It can be written as a sum of positive squares in 8 ways, for example, as 7360369 + 22714756 = 2713^2 + 4766^2 .

It is not a de Polignac number, because 30075125 - 2⁴ = 30075109 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 30075125.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30075127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4952 + ... + 9201.

It is an arithmetic number, because the mean of its divisors is an integer number (2484027).

Almost surely, 2^30075125 is an apocalyptic number.

It is an amenable number.

30075125 is a deficient number, since it is larger than the sum of its proper divisors (9669307).

30075125 is a wasteful number, since it uses less digits than its factorization.

30075125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14185 (or 14175 counting only the distinct ones).

The product of its (nonzero) digits is 1050, while the sum is 23.

The square root of 30075125 is about 5484.0792299164. The cubic root of 30075125 is about 310.9824019984.

The spelling of 30075125 in words is "thirty million, seventy-five thousand, one hundred twenty-five".