521114425343 has 32 divisors (see below), whose sum is σ = 544668364800. Its totient is φ = 498037478400.

The previous prime is 521114425327. The next prime is 521114425357. The reversal of 521114425343 is 343524411125.

It is a cyclic number.

It is not a de Polignac number, because 521114425343 - 2⁴ = 521114425327 is a prime.

It is a super-4 number, since 4×521114425343⁴ (a number of 48 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (521114425043) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621113318 + ... + 621114156.

It is an arithmetic number, because the mean of its divisors is an integer number (17020886400).

Almost surely, 2^521114425343 is an apocalyptic number.

521114425343 is a deficient number, since it is larger than the sum of its proper divisors (23553939457).

521114425343 is a wasteful number, since it uses less digits than its factorization.

521114425343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703.

The product of its digits is 57600, while the sum is 35.

Adding to 521114425343 its reverse (343524411125), we get a palindrome (864638836468).

The spelling of 521114425343 in words is "five hundred twenty-one billion, one hundred fourteen million, four hundred twenty-five thousand, three hundred forty-three".