613217 has 8 divisors (see below), whose sum is σ = 676512. Its totient is φ = 551200.

The previous prime is 613213. The next prime is 613219. The reversal of 613217 is 712316.

It is a happy number.

613217 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 not a de Polignac number, because 613217 - 2² = 613213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613213) 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, 917 + ... + 1437.

It is an arithmetic number, because the mean of its divisors is an integer number (84564).

2⁶¹³²¹⁷ is an apocalyptic number.

It is an amenable number.

613217 is a deficient number, since it is larger than the sum of its proper divisors (63295).

613217 is a wasteful number, since it uses less digits than its factorization.

613217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its digits is 252, while the sum is 20.

The square root of 613217 is about 783.0817326435. The cubic root of 613217 is about 84.9580877569.

Subtracting 613217 from its reverse (712316), we obtain a palindrome (99099).

The spelling of 613217 in words is "six hundred thirteen thousand, two hundred seventeen".