520421453341 has 16 divisors (see below), whose sum is σ = 535538073600. Its totient is φ = 505550214000.

The previous prime is 520421453323. The next prime is 520421453347. The reversal of 520421453341 is 143354124025.

It is a cyclic number.

It is not a de Polignac number, because 520421453341 - 2²⁹ = 519884582429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 520421453297 and 520421453306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (520421453347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1548700 + ... + 1854538.

It is an arithmetic number, because the mean of its divisors is an integer number (33471129600).

Almost surely, 2^520421453341 is an apocalyptic number.

It is an amenable number.

520421453341 is a deficient number, since it is larger than the sum of its proper divisors (15116620259).

520421453341 is a wasteful number, since it uses less digits than its factorization.

520421453341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306240.

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 520421453341 its reverse (143354124025), we get a palindrome (663775577366).

The spelling of 520421453341 in words is "five hundred twenty billion, four hundred twenty-one million, four hundred fifty-three thousand, three hundred forty-one".