25548020795025 has 81 divisors (see below), whose sum is σ = 46006048439793. Its totient is φ = 13552543166400.

The previous prime is 25548020794997. The next prime is 25548020795039. The reversal of 25548020795025 is 52059702084552.

The square root of 25548020795025 is 5054505.

It is a perfect power (a square), and thus also a powerful number.

25548020795025 is a `hidden beast` number, since 2 + 5 + 5 + 48 + 0 + 20 + 79 + 502 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 5098162083921 + 20449858711104 = 2257911^2 + 4522152^2 .

It is not a de Polignac number, because 25548020795025 - 2²⁵ = 25547987240593 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 15997507527 + ... + 15997509123.

Almost surely, 2^{25548020795025} is an apocalyptic number.

25548020795025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

25548020795025 is the 5054505-th square number.

25548020795025 is the 2527253-rd centered octagonal number.

It is an amenable number.

25548020795025 is a deficient number, since it is larger than the sum of its proper divisors (20458027644768).

25548020795025 is an frugal number, since it uses more digits than its factorization.

25548020795025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632 (or 1816 counting only the distinct ones).

The product of its (nonzero) digits is 10080000, while the sum is 54.

The spelling of 25548020795025 in words is "twenty-five trillion, five hundred forty-eight billion, twenty million, seven hundred ninety-five thousand, twenty-five".