520119487 has 4 divisors (see below), whose sum is σ = 520988400. Its totient is φ = 519250576.

The previous prime is 520119473. The next prime is 520119497. The reversal of 520119487 is 784911025.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-520119487 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 (520119497) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 433558 + ... + 434755.

It is an arithmetic number, because the mean of its divisors is an integer number (130247100).

Almost surely, 2^520119487 is an apocalyptic number.

520119487 is a deficient number, since it is larger than the sum of its proper divisors (868913).

520119487 is an equidigital number, since it uses as much as digits as its factorization.

520119487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868912.

The product of its (nonzero) digits is 20160, while the sum is 37.

The square root of 520119487 is about 22806.1282772855. The cubic root of 520119487 is about 804.2067398801.

The spelling of 520119487 in words is "five hundred twenty million, one hundred nineteen thousand, four hundred eighty-seven".