520471486 has 4 divisors (see below), whose sum is σ = 780707232. Its totient is φ = 260235742.

The previous prime is 520471451. The next prime is 520471487. The reversal of 520471486 is 684174025.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520471487) 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 as a sum of consecutive naturals, namely, 130117870 + ... + 130117873.

It is an arithmetic number, because the mean of its divisors is an integer number (195176808).

Almost surely, 2^520471486 is an apocalyptic number.

520471486 is a deficient number, since it is larger than the sum of its proper divisors (260235746).

520471486 is a wasteful number, since it uses less digits than its factorization.

520471486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260235745.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 520471486 is about 22813.8441740974. The cubic root of 520471486 is about 804.3881188002.

The spelling of 520471486 in words is "five hundred twenty million, four hundred seventy-one thousand, four hundred eighty-six".