613920517 has 16 divisors (see below), whose sum is σ = 726733440. Its totient is φ = 507431232.

The previous prime is 613920509. The next prime is 613920523. The reversal of 613920517 is 715029316.

613920517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 613920517 - 2³ = 613920509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (613920217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226623 + ... + 229315.

It is an arithmetic number, because the mean of its divisors is an integer number (45420840).

Almost surely, 2^613920517 is an apocalyptic number.

It is an amenable number.

613920517 is a deficient number, since it is larger than the sum of its proper divisors (112812923).

613920517 is a wasteful number, since it uses less digits than its factorization.

613920517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3852.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 613920517 is about 24777.4194984062. The cubic root of 613920517 is about 849.9056490429.

The spelling of 613920517 in words is "six hundred thirteen million, nine hundred twenty thousand, five hundred seventeen".