613249 has 16 divisors (see below), whose sum is σ = 790272. Its totient is φ = 462528.

The previous prime is 613247. The next prime is 613253. The reversal of 613249 is 942316.

It is a cyclic number.

It is not a de Polignac number, because 613249 - 2¹ = 613247 is a prime.

613249 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (613243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1947 + ... + 2239.

It is an arithmetic number, because the mean of its divisors is an integer number (49392).

2⁶¹³²⁴⁹ is an apocalyptic number.

It is an amenable number.

613249 is a deficient number, since it is larger than the sum of its proper divisors (177023).

613249 is a wasteful number, since it uses less digits than its factorization.

613249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336.

The product of its digits is 1296, while the sum is 25.

The square root of 613249 is about 783.1021644715. The cubic root of 613249 is about 84.9595655435.

The spelling of 613249 in words is "six hundred thirteen thousand, two hundred forty-nine".