613216 has 12 divisors (see below), whose sum is σ = 1207332. Its totient is φ = 306592.

The previous prime is 613213. The next prime is 613219. The reversal of 613216 is 612316.

It is an interprime number because it is at equal distance from previous prime (613213) and next prime (613219).

It is a junction number, because it is equal to n+sod(n) for n = 613193 and 613202.

It is a congruent 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 as a sum of consecutive naturals, namely, 9550 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (100611).

2⁶¹³²¹⁶ is an apocalyptic number.

It is an amenable number.

613216 is a deficient number, since it is larger than the sum of its proper divisors (594116).

613216 is a wasteful number, since it uses less digits than its factorization.

613216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19173 (or 19165 counting only the distinct ones).

The product of its digits is 216, while the sum is 19.

The square root of 613216 is about 783.0810941403. The cubic root of 613216 is about 84.9580415753.

Subtracting from 613216 its reverse (612316), we obtain a square (900 = 30²).

The spelling of 613216 in words is "six hundred thirteen thousand, two hundred sixteen".