520260 has 96 divisors (see below), whose sum is σ = 1693440. Its totient is φ = 118272.

The previous prime is 520241. The next prime is 520279. The reversal of 520260 is 62025.

It is an interprime number because it is at equal distance from previous prime (520241) and next prime (520279).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17926 + ... + 17954.

It is an arithmetic number, because the mean of its divisors is an integer number (17640).

2⁵²⁰²⁶⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 520260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846720).

520260 is an abundant number, since it is smaller than the sum of its proper divisors (1173180).

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

520260 is a wasteful number, since it uses less digits than its factorization.

520260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77 (or 75 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 520260 is about 721.2905101275. The cubic root of 520260 is about 80.4279153579.

Adding to 520260 its reverse (62025), we get a palindrome (582285).

It can be divided in two parts, 520 and 260, that added together give a triangular number (780 = T₃₉).

The spelling of 520260 in words is "five hundred twenty thousand, two hundred sixty".