520274147 has 8 divisors (see below), whose sum is σ = 542596992. Its totient is φ = 498297600.

The previous prime is 520274143. The next prime is 520274173. The reversal of 520274147 is 741472025.

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 520274147 - 2² = 520274143 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (520274143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83504 + ... + 89517.

It is an arithmetic number, because the mean of its divisors is an integer number (67824624).

Almost surely, 2^520274147 is an apocalyptic number.

520274147 is a deficient number, since it is larger than the sum of its proper divisors (22322845).

520274147 is a wasteful number, since it uses less digits than its factorization.

520274147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173149.

The product of its (nonzero) digits is 15680, while the sum is 32.

The square root of 520274147 is about 22809.5187805442. The cubic root of 520274147 is about 804.2864435452.

The spelling of 520274147 in words is "five hundred twenty million, two hundred seventy-four thousand, one hundred forty-seven".