613103 has 4 divisors (see below), whose sum is σ = 614688. Its totient is φ = 611520.

The previous prime is 613099. The next prime is 613141. The reversal of 613103 is 301316.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 613103 - 2² = 613099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218 + ... + 1128.

It is an arithmetic number, because the mean of its divisors is an integer number (153672).

2⁶¹³¹⁰³ is an apocalyptic number.

613103 is a deficient number, since it is larger than the sum of its proper divisors (1585).

613103 is an equidigital number, since it uses as much as digits as its factorization.

613103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1584.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 613103 is about 783.0089399234. The cubic root of 613103 is about 84.9528227245.

Subtracting from 613103 its sum of digits (14), we obtain a square (613089 = 783²).

Adding to 613103 its reverse (301316), we get a palindrome (914419).

The spelling of 613103 in words is "six hundred thirteen thousand, one hundred three".