521141 has 4 divisors (see below), whose sum is σ = 537984. Its totient is φ = 504300.

The previous prime is 521137. The next prime is 521153. The reversal of 521141 is 141125.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 521141 - 2² = 521137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8375 + ... + 8436.

It is an arithmetic number, because the mean of its divisors is an integer number (134496).

2⁵²¹¹⁴¹ is an apocalyptic number.

It is an amenable number.

521141 is a deficient number, since it is larger than the sum of its proper divisors (16843).

521141 is a wasteful number, since it uses less digits than its factorization.

521141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16842.

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

The square root of 521141 is about 721.9009627366. The cubic root of 521141 is about 80.4732882067.

Adding to 521141 its reverse (141125), we get a palindrome (662266).

The spelling of 521141 in words is "five hundred twenty-one thousand, one hundred forty-one".