26265625 has 21 divisors (see below), whose sum is σ = 33651913. Its totient is φ = 20500000.

The previous prime is 26265559. The next prime is 26265637. The reversal of 26265625 is 52656262.

The square root of 26265625 is 5125.

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

It can be written as a sum of positive squares in 10 ways, for example, as 7912969 + 18352656 = 2813^2 + 4284^2 .

It is not a de Polignac number, because 26265625 - 2¹⁷ = 26134553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 640605 + ... + 640645.

Almost surely, 2^26265625 is an apocalyptic number.

26265625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

26265625 is the 5125-th square number.

26265625 is the 2563-rd centered octagonal number.

It is an amenable number.

26265625 is a deficient number, since it is larger than the sum of its proper divisors (7386288).

26265625 is an frugal number, since it uses more digits than its factorization.

26265625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 46 counting only the distinct ones).

The product of its digits is 43200, while the sum is 34.

The cubic root of 26265625 is about 297.2550534218.

The spelling of 26265625 in words is "twenty-six million, two hundred sixty-five thousand, six hundred twenty-five".