26563025 has 6 divisors (see below), whose sum is σ = 32938182. Its totient is φ = 21250400.

The previous prime is 26562997. The next prime is 26563051. The reversal of 26563025 is 52036562.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2050624 + 24512401 = 1432^2 + 4951^2 .

It is not a de Polignac number, because 26563025 - 2¹² = 26558929 is a prime.

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 5 ways as a sum of consecutive naturals, for example, 531236 + ... + 531285.

It is an arithmetic number, because the mean of its divisors is an integer number (5489697).

Almost surely, 2^26563025 is an apocalyptic number.

26563025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26563025 is a deficient number, since it is larger than the sum of its proper divisors (6375157).

26563025 is a wasteful number, since it uses less digits than its factorization.

26563025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1062531 (or 1062526 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 26563025 is about 5153.9329642517. The cubic root of 26563025 is about 298.3727637059.

Adding to 26563025 its reverse (52036562), we get a palindrome (78599587).

The spelling of 26563025 in words is "twenty-six million, five hundred sixty-three thousand, twenty-five".