520314421 has 8 divisors (see below), whose sum is σ = 569973888. Its totient is φ = 471048000.

The previous prime is 520314413. The next prime is 520314437. The reversal of 520314421 is 124413025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 520314421 - 2³ = 520314413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 520314392 and 520314401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520314401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95485 + ... + 100786.

It is an arithmetic number, because the mean of its divisors is an integer number (71246736).

Almost surely, 2^520314421 is an apocalyptic number.

It is an amenable number.

520314421 is a deficient number, since it is larger than the sum of its proper divisors (49659467).

520314421 is a wasteful number, since it uses less digits than its factorization.

520314421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196523.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 520314421 is about 22810.4015966401. The cubic root of 520314421 is about 804.3071960636.

Adding to 520314421 its reverse (124413025), we get a palindrome (644727446).

The spelling of 520314421 in words is "five hundred twenty million, three hundred fourteen thousand, four hundred twenty-one".