30025125 has 48 divisors (see below), whose sum is σ = 58317168. Its totient is φ = 14774400.

The previous prime is 30025123. The next prime is 30025133. The reversal of 30025125 is 52152003.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 15233409 + 14791716 = 3903^2 + 3846^2 .

It is not a de Polignac number, because 30025125 - 2¹ = 30025123 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30025098 and 30025107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30025123) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13599 + ... + 15651.

It is an arithmetic number, because the mean of its divisors is an integer number (1214941).

Almost surely, 2^30025125 is an apocalyptic number.

It is an amenable number.

30025125 is a deficient number, since it is larger than the sum of its proper divisors (28292043).

30025125 is a wasteful number, since it uses less digits than its factorization.

30025125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2087 (or 2074 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 30025125 is about 5479.5186832422. The cubic root of 30025125 is about 310.8099699649.

Adding to 30025125 its reverse (52152003), we get a palindrome (82177128).

It can be divided in two parts, 300 and 25125, that added together give a triangular number (25425 = T₂₂₅).

The spelling of 30025125 in words is "thirty million, twenty-five thousand, one hundred twenty-five".