613149 has 16 divisors (see below), whose sum is σ = 890880. Its totient is φ = 373680.

The previous prime is 613141. The next prime is 613153. The reversal of 613149 is 941316.

613149 = 257² + 258² + ... + 265².

It is not a de Polignac number, because 613149 - 2³ = 613141 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613141) 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 15 ways as a sum of consecutive naturals, for example, 1594 + ... + 1940.

It is an arithmetic number, because the mean of its divisors is an integer number (55680).

2⁶¹³¹⁴⁹ is an apocalyptic number.

It is an amenable number.

613149 is a deficient number, since it is larger than the sum of its proper divisors (277731).

613149 is a wasteful number, since it uses less digits than its factorization.

613149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400.

The product of its digits is 648, while the sum is 24.

The square root of 613149 is about 783.0383132389. The cubic root of 613149 is about 84.9549472898.

The spelling of 613149 in words is "six hundred thirteen thousand, one hundred forty-nine".