613568 has 14 divisors (see below), whose sum is σ = 1217676. Its totient is φ = 306752.

The previous prime is 613559. The next prime is 613573. The reversal of 613568 is 865316.

It is a self number, because there is not a number n which added to its sum of digits gives 613568.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4730 + ... + 4857.

2⁶¹³⁵⁶⁸ is an apocalyptic number.

It is an amenable number.

613568 is a deficient number, since it is larger than the sum of its proper divisors (604108).

613568 is an equidigital number, since it uses as much as digits as its factorization.

613568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9599 (or 9589 counting only the distinct ones).

The product of its digits is 4320, while the sum is 29.

The square root of 613568 is about 783.3058151195. The cubic root of 613568 is about 84.9742944184.

The spelling of 613568 in words is "six hundred thirteen thousand, five hundred sixty-eight".