521941 has 8 divisors (see below), whose sum is σ = 601344. Its totient is φ = 443760.

The previous prime is 521929. The next prime is 521981. The reversal of 521941 is 149125.

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 521941 - 2⁷ = 521813 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 (521981) 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, 996 + ... + 1426.

It is an arithmetic number, because the mean of its divisors is an integer number (75168).

2⁵²¹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

521941 is a deficient number, since it is larger than the sum of its proper divisors (79403).

521941 is a wasteful number, since it uses less digits than its factorization.

521941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611.

The product of its digits is 360, while the sum is 22.

The square root of 521941 is about 722.4548428795. The cubic root of 521941 is about 80.5144451528.

Subtracting from 521941 its reverse (149125), we obtain a triangular number (372816 = T₈₆₃).

The spelling of 521941 in words is "five hundred twenty-one thousand, nine hundred forty-one".