2565441325 has 12 divisors (see below), whose sum is σ = 3181828468. Its totient is φ = 2051913600.

The previous prime is 2565441311. The next prime is 2565441341. The reversal of 2565441325 is 5231445652.

2565441325 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 335146249 + 2230295076 = 18307^2 + 47226^2 .

It is not a de Polignac number, because 2565441325 - 2²⁵ = 2531886893 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 160705 + ... + 175945.

Almost surely, 2^2565441325 is an apocalyptic number.

2565441325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2565441325 is a deficient number, since it is larger than the sum of its proper divisors (616387143).

2565441325 is a wasteful number, since it uses less digits than its factorization.

2565441325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21984 (or 21979 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 2565441325 is about 50650.1858338151. The cubic root of 2565441325 is about 1368.9492938334.

Adding to 2565441325 its reverse (5231445652), we get a palindrome (7796886977).

The spelling of 2565441325 in words is "two billion, five hundred sixty-five million, four hundred forty-one thousand, three hundred twenty-five".