520148 has 12 divisors (see below), whose sum is σ = 919380. Its totient is φ = 257472.

The previous prime is 520129. The next prime is 520151. The reversal of 520148 is 841025.

It can be written as a sum of positive squares in 2 ways, for example, as 315844 + 204304 = 562^2 + 452^2 .

It is a congruent number.

It is an unprimeable number.

520148 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161 + ... + 1032.

It is an arithmetic number, because the mean of its divisors is an integer number (76615).

2⁵²⁰¹⁴⁸ is an apocalyptic number.

It is an amenable number.

520148 is a deficient number, since it is larger than the sum of its proper divisors (399232).

520148 is a wasteful number, since it uses less digits than its factorization.

520148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1306 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 520148 is about 721.2128673284. The cubic root of 520148 is about 80.4221435175.

The spelling of 520148 in words is "five hundred twenty thousand, one hundred forty-eight".