26505725 has 6 divisors (see below), whose sum is σ = 32867130. Its totient is φ = 21204560.

The previous prime is 26505709. The next prime is 26505749. The reversal of 26505725 is 52750562.

It can be written as a sum of positive squares in 3 ways, for example, as 7198489 + 19307236 = 2683^2 + 4394^2 .

It is not a de Polignac number, because 26505725 - 2⁴ = 26505709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26505691 and 26505700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 530090 + ... + 530139.

It is an arithmetic number, because the mean of its divisors is an integer number (5477855).

Almost surely, 2^26505725 is an apocalyptic number.

26505725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26505725 is a deficient number, since it is larger than the sum of its proper divisors (6361405).

26505725 is a wasteful number, since it uses less digits than its factorization.

26505725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060239 (or 1060234 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 26505725 is about 5148.3711016204. The cubic root of 26505725 is about 298.1580659265.

The spelling of 26505725 in words is "twenty-six million, five hundred five thousand, seven hundred twenty-five".