620341517 has 8 divisors (see below), whose sum is σ = 639502080. Its totient is φ = 601469280.

The previous prime is 620341489. The next prime is 620341559. The reversal of 620341517 is 715143026.

620341517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 620341517 - 2²⁶ = 553232653 is a prime.

It is a super-3 number, since 3×620341517³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 620341517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620341597) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67709 + ... + 76322.

It is an arithmetic number, because the mean of its divisors is an integer number (79937760).

Almost surely, 2^620341517 is an apocalyptic number.

It is an amenable number.

620341517 is a deficient number, since it is larger than the sum of its proper divisors (19160563).

620341517 is a wasteful number, since it uses less digits than its factorization.

620341517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144163.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 620341517 is about 24906.6560782454. The cubic root of 620341517 is about 852.8584352855.

The spelling of 620341517 in words is "six hundred twenty million, three hundred forty-one thousand, five hundred seventeen".