613120217 has 8 divisors (see below), whose sum is σ = 630951552. Its totient is φ = 595488400.

The previous prime is 613120171. The next prime is 613120241. The reversal of 613120217 is 712021316.

613120217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-613120217 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 613120192 and 613120201.

It is not an unprimeable number, because it can be changed into a prime (613120247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43634 + ... + 55947.

It is an arithmetic number, because the mean of its divisors is an integer number (78868944).

Almost surely, 2^613120217 is an apocalyptic number.

It is an amenable number.

613120217 is a deficient number, since it is larger than the sum of its proper divisors (17831335).

613120217 is a wasteful number, since it uses less digits than its factorization.

613120217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99759.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 613120217 is about 24761.2644467119. The cubic root of 613120217 is about 849.5361792476.

The spelling of 613120217 in words is "six hundred thirteen million, one hundred twenty thousand, two hundred seventeen".