613086823 has 4 divisors (see below), whose sum is σ = 615349408. Its totient is φ = 610824240.

The previous prime is 613086809. The next prime is 613086829. The reversal of 613086823 is 328680316.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 613086823 - 2⁵ = 613086791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613086829) 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, 1130886 + ... + 1131427.

It is an arithmetic number, because the mean of its divisors is an integer number (153837352).

Almost surely, 2^613086823 is an apocalyptic number.

613086823 is a deficient number, since it is larger than the sum of its proper divisors (2262585).

613086823 is a wasteful number, since it uses less digits than its factorization.

613086823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2262584.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 613086823 is about 24760.5901181696. The cubic root of 613086823 is about 849.5207554500.

The spelling of 613086823 in words is "six hundred thirteen million, eighty-six thousand, eight hundred twenty-three".