613112530 has 8 divisors (see below), whose sum is σ = 1103602572. Its totient is φ = 245245008.

The previous prime is 613112527. The next prime is 613112537. The reversal of 613112530 is 35211316.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 585978849 + 27133681 = 24207^2 + 5209^2 .

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

It is not an unprimeable number, because it can be changed into a prime (613112537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30655617 + ... + 30655636.

Almost surely, 2^613112530 is an apocalyptic number.

613112530 is a deficient number, since it is larger than the sum of its proper divisors (490490042).

613112530 is a wasteful number, since it uses less digits than its factorization.

613112530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61311260.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 613112530 is about 24761.1092239423. The cubic root of 613112530 is about 849.5326288770.

Adding to 613112530 its reverse (35211316), we get a palindrome (648323846).

The spelling of 613112530 in words is "six hundred thirteen million, one hundred twelve thousand, five hundred thirty".