52525062618021 has 30 divisors (see below), whose sum is σ = 88509190887910. Its totient is φ = 30014321483664.

The previous prime is 52525062617947. The next prime is 52525062618079. The reversal of 52525062618021 is 12081626052525.

52525062618021 is a `hidden beast` number, since 5 + 2 + 5 + 2 + 5 + 0 + 6 + 2 + 618 + 0 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49445437745025 + 3079624872996 = 7031745^2 + 1754886^2 .

It is not a de Polignac number, because 52525062618021 - 2¹⁰ = 52525062616997 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 (52525062618221) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1215329926 + ... + 1215373143.

Almost surely, 2^{52525062618021} is an apocalyptic number.

It is an amenable number.

52525062618021 is a deficient number, since it is larger than the sum of its proper divisors (35984128269889).

52525062618021 is an equidigital number, since it uses as much as digits as its factorization.

52525062618021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2430703103 (or 2430703079 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 45.

The spelling of 52525062618021 in words is "fifty-two trillion, five hundred twenty-five billion, sixty-two million, six hundred eighteen thousand, twenty-one".