521411 has 8 divisors (see below), whose sum is σ = 575424. Its totient is φ = 468520.

The previous prime is 521401. The next prime is 521429. The reversal of 521411 is 114125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 521411 - 2¹⁴ = 505027 is a prime.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 521411.

It is not an unprimeable number, because it can be changed into a prime (521401) 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, 956 + ... + 1398.

It is an arithmetic number, because the mean of its divisors is an integer number (71928).

2⁵²¹⁴¹¹ is an apocalyptic number.

521411 is a deficient number, since it is larger than the sum of its proper divisors (54013).

521411 is a wasteful number, since it uses less digits than its factorization.

521411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561.

The product of its digits is 40, while the sum is 14.

The square root of 521411 is about 722.0879447824. The cubic root of 521411 is about 80.4871833819.

Adding to 521411 its reverse (114125), we get a palindrome (635536).

It can be divided in two parts, 5214 and 11, that added together give a palindrome (5225).

The spelling of 521411 in words is "five hundred twenty-one thousand, four hundred eleven".