26013025 has 6 divisors (see below), whose sum is σ = 32256182. Its totient is φ = 20810400.

The previous prime is 26013011. The next prime is 26013037. The reversal of 26013025 is 52031062.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 9096256 + 16916769 = 3016^2 + 4113^2 .

It is not a de Polignac number, because 26013025 - 2⁵ = 26012993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26012993 and 26013011.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 520236 + ... + 520285.

Almost surely, 2^26013025 is an apocalyptic number.

26013025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

26013025 is a deficient number, since it is larger than the sum of its proper divisors (6243157).

26013025 is a wasteful number, since it uses less digits than its factorization.

26013025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1040531 (or 1040526 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 26013025 is about 5100.2965600051. The cubic root of 26013025 is about 296.2990684685.

Adding to 26013025 its reverse (52031062), we get a palindrome (78044087).

It can be divided in two parts, 2601 and 3025, that multiplied together give a square (7868025 = 2805²).

The spelling of 26013025 in words is "twenty-six million, thirteen thousand, twenty-five".