508125412021 has 8 divisors (see below), whose sum is σ = 528754865760. Its totient is φ = 487896530352.

The previous prime is 508125411979. The next prime is 508125412027. The reversal of 508125412021 is 120214521805.

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 508125412021 - 2¹¹ = 508125409973 is a prime.

It is a super-2 number, since 2×508125412021² (a number of 24 digits) contains 22 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 (508125412027) 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, 100140430 + ... + 100145503.

It is an arithmetic number, because the mean of its divisors is an integer number (66094358220).

Almost surely, 2^508125412021 is an apocalyptic number.

It is an amenable number.

508125412021 is a deficient number, since it is larger than the sum of its proper divisors (20629453739).

508125412021 is a wasteful number, since it uses less digits than its factorization.

508125412021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200286035.

The product of its (nonzero) digits is 6400, while the sum is 31.

Adding to 508125412021 its reverse (120214521805), we get a palindrome (628339933826).

The spelling of 508125412021 in words is "five hundred eight billion, one hundred twenty-five million, four hundred twelve thousand, twenty-one".