521314041 has 4 divisors (see below), whose sum is σ = 695085392. Its totient is φ = 347542692.

The previous prime is 521314033. The next prime is 521314049. The reversal of 521314041 is 140413125.

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 an interprime number because it is at equal distance from previous prime (521314033) and next prime (521314049).

It is not a de Polignac number, because 521314041 - 2³ = 521314033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 521313999 and 521314017.

It is not an unprimeable number, because it can be changed into a prime (521314049) 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, 86885671 + ... + 86885676.

It is an arithmetic number, because the mean of its divisors is an integer number (173771348).

Almost surely, 2^521314041 is an apocalyptic number.

It is an amenable number.

521314041 is a deficient number, since it is larger than the sum of its proper divisors (173771351).

521314041 is a wasteful number, since it uses less digits than its factorization.

521314041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173771350.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 521314041 is about 22832.3025777078. The cubic root of 521314041 is about 804.8219407368.

Adding to 521314041 its reverse (140413125), we get a palindrome (661727166).

The spelling of 521314041 in words is "five hundred twenty-one million, three hundred fourteen thousand, forty-one".