613259 has 4 divisors (see below), whose sum is σ = 615000. Its totient is φ = 611520.

The previous prime is 613253. The next prime is 613267. The reversal of 613259 is 952316.

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 613259 - 2⁴ = 613243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (613253) 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, 134 + ... + 1115.

It is an arithmetic number, because the mean of its divisors is an integer number (153750).

2⁶¹³²⁵⁹ is an apocalyptic number.

613259 is a deficient number, since it is larger than the sum of its proper divisors (1741).

613259 is a wasteful number, since it uses less digits than its factorization.

613259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740.

The product of its digits is 1620, while the sum is 26.

The square root of 613259 is about 783.1085493085. The cubic root of 613259 is about 84.9600273412.

The spelling of 613259 in words is "six hundred thirteen thousand, two hundred fifty-nine".