613066 has 4 divisors (see below), whose sum is σ = 919602. Its totient is φ = 306532.

The previous prime is 613061. The next prime is 613097. The reversal of 613066 is 660316.

613066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 429025 + 184041 = 655^2 + 429^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (613061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153265 + ... + 153268.

2⁶¹³⁰⁶⁶ is an apocalyptic number.

613066 is a deficient number, since it is larger than the sum of its proper divisors (306536).

613066 is a wasteful number, since it uses less digits than its factorization.

613066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306535.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 613066 is about 782.9853127614. The cubic root of 613066 is about 84.9511137578.

The spelling of 613066 in words is "six hundred thirteen thousand, sixty-six".