30116525 has 12 divisors (see below), whose sum is σ = 37587252. Its totient is φ = 23936640.

The previous prime is 30116521. The next prime is 30116543. The reversal of 30116525 is 52561103.

It can be written as a sum of positive squares in 6 ways, for example, as 978121 + 29138404 = 989^2 + 5398^2 .

It is not a de Polignac number, because 30116525 - 2² = 30116521 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 30116525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30116521) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89 + ... + 7761.

It is an arithmetic number, because the mean of its divisors is an integer number (3132271).

Almost surely, 2^30116525 is an apocalyptic number.

It is an amenable number.

30116525 is a deficient number, since it is larger than the sum of its proper divisors (7470727).

30116525 is a wasteful number, since it uses less digits than its factorization.

30116525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7840 (or 7835 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 30116525 is about 5487.8524943734. The cubic root of 30116525 is about 311.1250311468.

Adding to 30116525 its reverse (52561103), we get a palindrome (82677628).

The spelling of 30116525 in words is "thirty million, one hundred sixteen thousand, five hundred twenty-five".