2025363521 has 4 divisors (see below), whose sum is σ = 2025494100. Its totient is φ = 2025232944.

The previous prime is 2025363437. The next prime is 2025363533. The reversal of 2025363521 is 1253635202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1412256400 + 613107121 = 37580^2 + 24761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2025363521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2025363581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38306 + ... + 74283.

It is an arithmetic number, because the mean of its divisors is an integer number (506373525).

Almost surely, 2^2025363521 is an apocalyptic number.

It is an amenable number.

2025363521 is a deficient number, since it is larger than the sum of its proper divisors (130579).

2025363521 is a wasteful number, since it uses less digits than its factorization.

2025363521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130578.

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 2025363521 is about 45004.0389409662. The cubic root of 2025363521 is about 1265.2246984812.

Adding to 2025363521 its reverse (1253635202), we get a palindrome (3278998723).

The spelling of 2025363521 in words is "two billion, twenty-five million, three hundred sixty-three thousand, five hundred twenty-one".