30130565 has 8 divisors (see below), whose sum is σ = 37403640. Its totient is φ = 23273152.

The previous prime is 30130517. The next prime is 30130571. The reversal of 30130565 is 56503103.

It can be written as a sum of positive squares in 4 ways, for example, as 10647169 + 19483396 = 3263^2 + 4414^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 30130565 - 2⁶ = 30130501 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30130565.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103754 + ... + 104043.

It is an arithmetic number, because the mean of its divisors is an integer number (4675455).

Almost surely, 2^30130565 is an apocalyptic number.

It is an amenable number.

30130565 is a deficient number, since it is larger than the sum of its proper divisors (7273075).

30130565 is a wasteful number, since it uses less digits than its factorization.

30130565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207831.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 30130565 is about 5489.1315342229. The cubic root of 30130565 is about 311.1733713500.

Adding to 30130565 its reverse (56503103), we get a palindrome (86633668).

The spelling of 30130565 in words is "thirty million, one hundred thirty thousand, five hundred sixty-five".