521162 has 4 divisors (see below), whose sum is σ = 781746. Its totient is φ = 260580.

The previous prime is 521161. The next prime is 521167. The reversal of 521162 is 261125.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 477481 + 43681 = 691^2 + 209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 521162.

It is not an unprimeable number, because it can be changed into a prime (521161) 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 as a sum of consecutive naturals, namely, 130289 + ... + 130292.

2⁵²¹¹⁶² is an apocalyptic number.

521162 is a deficient number, since it is larger than the sum of its proper divisors (260584).

521162 is a wasteful number, since it uses less digits than its factorization.

521162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260583.

The product of its digits is 120, while the sum is 17.

The square root of 521162 is about 721.9155075215. The cubic root of 521162 is about 80.4743691146.

Adding to 521162 its reverse (261125), we get a palindrome (782287).

The spelling of 521162 in words is "five hundred twenty-one thousand, one hundred sixty-two".