520156 has 24 divisors (see below), whose sum is σ = 1121120. Its totient is φ = 205632.

The previous prime is 520151. The next prime is 520193. The reversal of 520156 is 651025.

It is a happy number.

520156 is a modest number, since divided by 156 gives 52 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 351 + ... + 1078.

2⁵²⁰¹⁵⁶ is an apocalyptic number.

It is an amenable number.

520156 is an abundant number, since it is smaller than the sum of its proper divisors (600964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

520156 is a wasteful number, since it uses less digits than its factorization.

520156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453 (or 1451 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 520156 is about 721.2184135198. The cubic root of 520156 is about 80.4225558193.

It can be divided in two parts, 520 and 156, that added together give a palindrome (676).

The spelling of 520156 in words is "five hundred twenty thousand, one hundred fifty-six".