520419671 has 8 divisors (see below), whose sum is σ = 549286320. Its totient is φ = 491700672.

The previous prime is 520419659. The next prime is 520419677. The reversal of 520419671 is 176914025.

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 520419671 - 2⁶ = 520419607 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 (520419677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29630 + ... + 43803.

It is an arithmetic number, because the mean of its divisors is an integer number (68660790).

Almost surely, 2^520419671 is an apocalyptic number.

520419671 is a deficient number, since it is larger than the sum of its proper divisors (28866649).

520419671 is a wasteful number, since it uses less digits than its factorization.

520419671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73825.

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 520419671 is about 22812.7085415126. The cubic root of 520419671 is about 804.3614245722.

The spelling of 520419671 in words is "five hundred twenty million, four hundred nineteen thousand, six hundred seventy-one".