613671 has 4 divisors (see below), whose sum is σ = 818232. Its totient is φ = 409112.

The previous prime is 613667. The next prime is 613673. The reversal of 613671 is 176316.

613671 is digitally balanced in base 7, 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 is a cyclic number.

It is not a de Polignac number, because 613671 - 2² = 613667 is a prime.

It is a D-number.

613671 is strictly pandigital in base 7.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 613671.

It is not an unprimeable number, because it can be changed into a prime (613673) 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, 102276 + ... + 102281.

It is an arithmetic number, because the mean of its divisors is an integer number (204558).

2⁶¹³⁶⁷¹ is an apocalyptic number.

613671 is a deficient number, since it is larger than the sum of its proper divisors (204561).

613671 is a wasteful number, since it uses less digits than its factorization.

613671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204560.

The product of its digits is 756, while the sum is 24.

The square root of 613671 is about 783.3715593510. The cubic root of 613671 is about 84.9790490463.

Adding to 613671 its reverse (176316), we get a palindrome (789987).

The spelling of 613671 in words is "six hundred thirteen thousand, six hundred seventy-one".