521034324 has 12 divisors (see below), whose sum is σ = 1215746784. Its totient is φ = 173678104.

The previous prime is 521034323. The next prime is 521034331. The reversal of 521034324 is 423430125.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×521034324² = 542953533572273952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 521034294 and 521034303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521034323) 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, 21709752 + ... + 21709775.

It is an arithmetic number, because the mean of its divisors is an integer number (101312232).

Almost surely, 2^521034324 is an apocalyptic number.

It is an amenable number.

521034324 is an abundant number, since it is smaller than the sum of its proper divisors (694712460).

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

521034324 is a wasteful number, since it uses less digits than its factorization.

521034324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43419534 (or 43419532 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 521034324 is about 22826.1762895146. The cubic root of 521034324 is about 804.6779695172.

Adding to 521034324 its reverse (423430125), we get a palindrome (944464449).

The spelling of 521034324 in words is "five hundred twenty-one million, thirty-four thousand, three hundred twenty-four".