613061217 has 20 divisors (see below), whose sum is σ = 920945520. Its totient is φ = 406414584.

The previous prime is 613061203. The next prime is 613061249. The reversal of 613061217 is 712160316.

613061217 is a `hidden beast` number, since 6 + 1 + 30 + 612 + 17 = 666.

It is not a de Polignac number, because 613061217 - 2¹¹ = 613059169 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (613061257) 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 19 ways as a sum of consecutive naturals, for example, 6643 + ... + 35640.

It is an arithmetic number, because the mean of its divisors is an integer number (46047276).

Almost surely, 2^613061217 is an apocalyptic number.

It is an amenable number.

613061217 is a deficient number, since it is larger than the sum of its proper divisors (307884303).

613061217 is a wasteful number, since it uses less digits than its factorization.

613061217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42474 (or 42465 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 613061217 is about 24760.0730410877. The cubic root of 613061217 is about 849.5089283425.

Subtracting 613061217 from its reverse (712160316), we obtain a palindrome (99099099).

It can be divided in two parts, 613061 and 217, that added together give a triangular number (613278 = T₁₁₀₇).

The spelling of 613061217 in words is "six hundred thirteen million, sixty-one thousand, two hundred seventeen".