521043341 has 16 divisors (see below), whose sum is σ = 656202624. Its totient is φ = 402663744.

The previous prime is 521043329. The next prime is 521043349. The reversal of 521043341 is 143340125.

It is not a de Polignac number, because 521043341 - 2⁶ = 521043277 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521043349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62666 + ... + 70491.

It is an arithmetic number, because the mean of its divisors is an integer number (41012664).

Almost surely, 2^521043341 is an apocalyptic number.

It is an amenable number.

521043341 is a deficient number, since it is larger than the sum of its proper divisors (135159283).

521043341 is a wasteful number, since it uses less digits than its factorization.

521043341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133220.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 521043341 is about 22826.3738031252. The cubic root of 521043341 is about 804.6826113991.

Adding to 521043341 its reverse (143340125), we get a palindrome (664383466).

The spelling of 521043341 in words is "five hundred twenty-one million, forty-three thousand, three hundred forty-one".