613264 has 10 divisors (see below), whose sum is σ = 1188230. Its totient is φ = 306624.

The previous prime is 613253. The next prime is 613267. The reversal of 613264 is 462316.

It can be written as a sum of positive squares in only one way, i.e., 518400 + 94864 = 720^2 + 308^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613267) by changing a digit.

613264 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19149 + ... + 19180.

It is an arithmetic number, because the mean of its divisors is an integer number (118823).

2⁶¹³²⁶⁴ is an apocalyptic number.

It is an amenable number.

613264 is a deficient number, since it is larger than the sum of its proper divisors (574966).

613264 is a wasteful number, since it uses less digits than its factorization.

613264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38337 (or 38331 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 613264 is about 783.1117417074. Note that the first 3 decimals coincide. The cubic root of 613264 is about 84.9602582382.

The spelling of 613264 in words is "six hundred thirteen thousand, two hundred sixty-four".