520251574485 has 32 divisors (see below), whose sum is σ = 906427440000. Its totient is φ = 253799675136.

The previous prime is 520251574457. The next prime is 520251574489. The reversal of 520251574485 is 584475152025.

It is not a de Polignac number, because 520251574485 - 2²¹ = 520249477333 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520251574489) 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 31 ways as a sum of consecutive naturals, for example, 31464910 + ... + 31481439.

It is an arithmetic number, because the mean of its divisors is an integer number (28325857500).

Almost surely, 2^520251574485 is an apocalyptic number.

It is an amenable number.

520251574485 is a deficient number, since it is larger than the sum of its proper divisors (386175865515).

520251574485 is a wasteful number, since it uses less digits than its factorization.

520251574485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62946405.

The product of its (nonzero) digits is 2240000, while the sum is 48.

The spelling of 520251574485 in words is "five hundred twenty billion, two hundred fifty-one million, five hundred seventy-four thousand, four hundred eighty-five".