25525005278025 has 48 divisors (see below), whose sum is σ = 48039472419840. Its totient is φ = 11837683598400.

The previous prime is 25525005277909. The next prime is 25525005278029. The reversal of 25525005278025 is 52087250052552.

It is not a de Polignac number, because 25525005278025 - 2¹⁹ = 25525004753737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25525005278029) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 672576685 + ... + 672614634.

It is an arithmetic number, because the mean of its divisors is an integer number (1000822342080).

Almost surely, 2^{25525005278025} is an apocalyptic number.

25525005278025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

25525005278025 is a deficient number, since it is larger than the sum of its proper divisors (22514467141815).

25525005278025 is a wasteful number, since it uses less digits than its factorization.

25525005278025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1345191366 (or 1345191361 counting only the distinct ones).

The product of its (nonzero) digits is 2800000, while the sum is 48.

The spelling of 25525005278025 in words is "twenty-five trillion, five hundred twenty-five billion, five million, two hundred seventy-eight thousand, twenty-five".