2025102520521 has 12 divisors (see below), whose sum is σ = 2925200504772. Its totient is φ = 1350044153376.

The previous prime is 2025102520501. The next prime is 2025102520643. The reversal of 2025102520521 is 1250252015202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 717178634496 + 1307923886025 = 846864^2 + 1143645^2 .

It is not a de Polignac number, because 2025102520521 - 2⁵ = 2025102520489 is a prime.

It is a super-3 number, since 3×2025102520521³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (2025102520501) 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 11 ways as a sum of consecutive naturals, for example, 1478466 + ... + 2497211.

It is an arithmetic number, because the mean of its divisors is an integer number (243766708731).

Almost surely, 2^{2025102520521} is an apocalyptic number.

It is an amenable number.

2025102520521 is a deficient number, since it is larger than the sum of its proper divisors (900097984251).

2025102520521 is a wasteful number, since it uses less digits than its factorization.

2025102520521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032280 (or 4032277 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

Adding to 2025102520521 its reverse (1250252015202), we get a palindrome (3275354535723).

The spelling of 2025102520521 in words is "two trillion, twenty-five billion, one hundred two million, five hundred twenty thousand, five hundred twenty-one".