613648484 has 6 divisors (see below), whose sum is σ = 1073884854. Its totient is φ = 306824240.

The previous prime is 613648459. The next prime is 613648489. The reversal of 613648484 is 484846316.

It can be written as a sum of positive squares in only one way, i.e., 545222500 + 68425984 = 23350^2 + 8272^2 .

It is not an unprimeable number, because it can be changed into a prime (613648489) 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 as a sum of consecutive naturals, namely, 76706057 + ... + 76706064.

It is an arithmetic number, because the mean of its divisors is an integer number (178980809).

Almost surely, 2^613648484 is an apocalyptic number.

It is an amenable number.

613648484 is a deficient number, since it is larger than the sum of its proper divisors (460236370).

613648484 is a wasteful number, since it uses less digits than its factorization.

613648484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153412125 (or 153412123 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 613648484 is about 24771.9293556235. The cubic root of 613648484 is about 849.7800972086.

The spelling of 613648484 in words is "six hundred thirteen million, six hundred forty-eight thousand, four hundred eighty-four".