520772 has 18 divisors (see below), whose sum is σ = 1060542. Its totient is φ = 223104.

The previous prime is 520763. The next prime is 520787. The reversal of 520772 is 277025.

It can be written as a sum of positive squares in only one way, i.e., 470596 + 50176 = 686^2 + 224^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1133 + ... + 1524.

It is an arithmetic number, because the mean of its divisors is an integer number (58919).

2⁵²⁰⁷⁷² is an apocalyptic number.

It is an amenable number.

520772 is an abundant number, since it is smaller than the sum of its proper divisors (539770).

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

520772 is a wasteful number, since it uses less digits than its factorization.

520772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2675 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 520772 is about 721.6453422562. The cubic root of 520772 is about 80.4542903701.

Adding to 520772 its reverse (277025), we get a palindrome (797797).

The spelling of 520772 in words is "five hundred twenty thousand, seven hundred seventy-two".