521333034 has 16 divisors (see below), whose sum is σ = 1070846688. Its totient is φ = 169080912.

The previous prime is 521333017. The next prime is 521333047. The reversal of 521333034 is 430333125.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 521332995 and 521333013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1173952 + ... + 1174395.

It is an arithmetic number, because the mean of its divisors is an integer number (66927918).

Almost surely, 2^521333034 is an apocalyptic number.

521333034 is an abundant number, since it is smaller than the sum of its proper divisors (549513654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

521333034 is a wasteful number, since it uses less digits than its factorization.

521333034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2348389.

The product of its (nonzero) digits is 3240, while the sum is 24.

The square root of 521333034 is about 22832.7184978049. The cubic root of 521333034 is about 804.8317146263.

Adding to 521333034 its reverse (430333125), we get a palindrome (951666159).

Subtracting from 521333034 its reverse (430333125), we obtain a palindrome (90999909).

The spelling of 521333034 in words is "five hundred twenty-one million, three hundred thirty-three thousand, thirty-four".