52001241021 has 24 divisors (see below), whose sum is σ = 76463882040. Its totient is φ = 34045747200.

The previous prime is 52001241011. The next prime is 52001241043. The reversal of 52001241021 is 12014210025.

52001241021 is a `hidden beast` number, since 520 + 0 + 124 + 1 + 0 + 21 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 875508921 + 51125732100 = 29589^2 + 226110^2 .

It is not a de Polignac number, because 52001241021 - 2¹⁴ = 52001224637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52001240985 and 52001241003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52001241011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 278025 + ... + 425793.

It is an arithmetic number, because the mean of its divisors is an integer number (3185995085).

Almost surely, 2^52001241021 is an apocalyptic number.

It is an amenable number.

52001241021 is a deficient number, since it is larger than the sum of its proper divisors (24462641019).

52001241021 is a wasteful number, since it uses less digits than its factorization.

52001241021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148477 (or 148474 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

Adding to 52001241021 its reverse (12014210025), we get a palindrome (64015451046).

The spelling of 52001241021 in words is "fifty-two billion, one million, two hundred forty-one thousand, twenty-one".