613324523 has 12 divisors (see below), whose sum is σ = 730053720. Its totient is φ = 513479232.

The previous prime is 613324519. The next prime is 613324549. The reversal of 613324523 is 325423316.

It is not a de Polignac number, because 613324523 - 2² = 613324519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613324583) 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, 143438 + ... + 147651.

It is an arithmetic number, because the mean of its divisors is an integer number (60837810).

Almost surely, 2^613324523 is an apocalyptic number.

613324523 is a deficient number, since it is larger than the sum of its proper divisors (116729197).

613324523 is a wasteful number, since it uses less digits than its factorization.

613324523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291146 (or 291139 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 613324523 is about 24765.3896193862. The cubic root of 613324523 is about 849.6305305448.

Adding to 613324523 its reverse (325423316), we get a palindrome (938747839).

The spelling of 613324523 in words is "six hundred thirteen million, three hundred twenty-four thousand, five hundred twenty-three".