26260225 has 18 divisors (see below), whose sum is σ = 33751250. Its totient is φ = 20267520.

The previous prime is 26260219. The next prime is 26260253. The reversal of 26260225 is 52206262.

It can be written as a sum of positive squares in 9 ways, for example, as 7311616 + 18948609 = 2704^2 + 4353^2 .

It is not a de Polignac number, because 26260225 - 2⁷ = 26260097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 26260225.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 20401 + ... + 21649.

Almost surely, 2^26260225 is an apocalyptic number.

26260225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26260225 is a deficient number, since it is larger than the sum of its proper divisors (7491025).

26260225 is a wasteful number, since it uses less digits than its factorization.

26260225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1283 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 26260225 is about 5124.4731436510. The cubic root of 26260225 is about 297.2346809476.

Adding to 26260225 its reverse (52206262), we get a palindrome (78466487).

The spelling of 26260225 in words is "twenty-six million, two hundred sixty thousand, two hundred twenty-five".