613261344 has 48 divisors (see below), whose sum is σ = 1661748480. Its totient is φ = 197825280.

The previous prime is 613261331. The next prime is 613261387. The reversal of 613261344 is 443162316.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100059 + ... + 106010.

It is an arithmetic number, because the mean of its divisors is an integer number (34619760).

Almost surely, 2^613261344 is an apocalyptic number.

It is an amenable number.

613261344 is an abundant number, since it is smaller than the sum of its proper divisors (1048487136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

613261344 is a wasteful number, since it uses less digits than its factorization.

613261344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206113 (or 206105 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 613261344 is about 24764.1140362420. The cubic root of 613261344 is about 849.6013558591.

It can be divided in two parts, 6132 and 61344, that added together give a palindrome (67476).

The spelling of 613261344 in words is "six hundred thirteen million, two hundred sixty-one thousand, three hundred forty-four".