613147 has 4 divisors (see below), whose sum is σ = 634320. Its totient is φ = 591976.

The previous prime is 613141. The next prime is 613153. The reversal of 613147 is 741316.

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

It is an interprime number because it is at equal distance from previous prime (613141) and next prime (613153).

It is a cyclic number.

It is not a de Polignac number, because 613147 - 2¹⁵ = 580379 is a prime.

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 a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613141) 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 3 ways as a sum of consecutive naturals, for example, 10543 + ... + 10600.

It is an arithmetic number, because the mean of its divisors is an integer number (158580).

2⁶¹³¹⁴⁷ is an apocalyptic number.

613147 is a deficient number, since it is larger than the sum of its proper divisors (21173).

613147 is a wasteful number, since it uses less digits than its factorization.

613147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21172.

The product of its digits is 504, while the sum is 22.

The square root of 613147 is about 783.0370361611. The cubic root of 613147 is about 84.9548549196.

The spelling of 613147 in words is "six hundred thirteen thousand, one hundred forty-seven".