30525130 has 8 divisors (see below), whose sum is σ = 54945252. Its totient is φ = 12210048.

The previous prime is 30525119. The next prime is 30525179. The reversal of 30525130 is 3152503.

It can be written as a sum of positive squares in 2 ways, for example, as 29149201 + 1375929 = 5399^2 + 1173^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 30525098 and 30525107.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526247 + ... + 1526266.

Almost surely, 2^30525130 is an apocalyptic number.

30525130 is a deficient number, since it is larger than the sum of its proper divisors (24420122).

30525130 is a wasteful number, since it uses less digits than its factorization.

30525130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3052520.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 30525130 is about 5524.9552034383. The cubic root of 30525130 is about 312.5257749407.

Adding to 30525130 its reverse (3152503), we get a palindrome (33677633).

The spelling of 30525130 in words is "thirty million, five hundred twenty-five thousand, one hundred thirty".