506420413253 has 4 divisors (see below), whose sum is σ = 522756555648. Its totient is φ = 490084270860.

The previous prime is 506420413231. The next prime is 506420413271. The reversal of 506420413253 is 352314024605.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 506420413253 - 2¹⁴ = 506420396869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (506420413153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8168071151 + ... + 8168071212.

It is an arithmetic number, because the mean of its divisors is an integer number (130689138912).

Almost surely, 2^506420413253 is an apocalyptic number.

It is an amenable number.

506420413253 is a deficient number, since it is larger than the sum of its proper divisors (16336142395).

506420413253 is a wasteful number, since it uses less digits than its factorization.

506420413253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16336142394.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 506420413253 its reverse (352314024605), we get a palindrome (858734437858).

The spelling of 506420413253 in words is "five hundred six billion, four hundred twenty million, four hundred thirteen thousand, two hundred fifty-three".