613617 has 8 divisors (see below), whose sum is σ = 853824. Its totient is φ = 391248.

The previous prime is 613609. The next prime is 613633. The reversal of 613617 is 716316.

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

It is not a de Polignac number, because 613617 - 2³ = 613609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (613607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4378 + ... + 4515.

It is an arithmetic number, because the mean of its divisors is an integer number (106728).

2⁶¹³⁶¹⁷ is an apocalyptic number.

It is an amenable number.

613617 is a deficient number, since it is larger than the sum of its proper divisors (240207).

613617 is a wasteful number, since it uses less digits than its factorization.

613617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8919.

The product of its digits is 756, while the sum is 24.

The square root of 613617 is about 783.3370921896. The cubic root of 613617 is about 84.9765563951.

The spelling of 613617 in words is "six hundred thirteen thousand, six hundred seventeen".