613099 has 2 divisors, whose sum is σ = 613100. Its totient is φ = 613098.

The previous prime is 613097. The next prime is 613141. The reversal of 613099 is 990316.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 613099 - 2¹ = 613097 is a prime.

Together with 613097, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (613097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 306549 + 306550.

It is an arithmetic number, because the mean of its divisors is an integer number (306550).

2⁶¹³⁰⁹⁹ is an apocalyptic number.

613099 is a deficient number, since it is larger than the sum of its proper divisors (1).

613099 is an equidigital number, since it uses as much as digits as its factorization.

613099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 613099 is about 783.0063856700. The cubic root of 613099 is about 84.9526379746.

It can be divided in two parts, 61 and 3099, that added together give a triangular number (3160 = T₇₉).

The spelling of 613099 in words is "six hundred thirteen thousand, ninety-nine".