26565225 has 24 divisors (see below), whose sum is σ = 44282880. Its totient is φ = 14051520.

The previous prime is 26565221. The next prime is 26565239. The reversal of 26565225 is 52256562.

It is not a de Polignac number, because 26565225 - 2² = 26565221 is a prime.

It is a super-2 number, since 2×26565225² = 1411422358601250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26565221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8131 + ... + 10919.

It is an arithmetic number, because the mean of its divisors is an integer number (1845120).

Almost surely, 2^26565225 is an apocalyptic number.

26565225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26565225 is a deficient number, since it is larger than the sum of its proper divisors (17717655).

26565225 is a wasteful number, since it uses less digits than its factorization.

26565225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929 (or 2924 counting only the distinct ones).

The product of its digits is 36000, while the sum is 33.

The square root of 26565225 is about 5154.1463890736. The cubic root of 26565225 is about 298.3810007442.

The spelling of 26565225 in words is "twenty-six million, five hundred sixty-five thousand, two hundred twenty-five".