26253081 has 12 divisors (see below), whose sum is σ = 37996452. Its totient is φ = 17467296.

The previous prime is 26253077. The next prime is 26253089. The reversal of 26253081 is 18035262.

26253081 is a `hidden beast` number, since 2 + 625 + 30 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11964681 + 14288400 = 3459^2 + 3780^2 .

It is not a de Polignac number, because 26253081 - 2² = 26253077 is a prime.

It is a super-2 number, since 2×26253081² = 1378448523985122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26253089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2395 + ... + 7631.

It is an arithmetic number, because the mean of its divisors is an integer number (3166371).

Almost surely, 2^26253081 is an apocalyptic number.

It is an amenable number.

26253081 is a deficient number, since it is larger than the sum of its proper divisors (11743371).

26253081 is a wasteful number, since it uses less digits than its factorization.

26253081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5800 (or 5797 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 26253081 is about 5123.7760489701. The cubic root of 26253081 is about 297.2077246268.

The spelling of 26253081 in words is "twenty-six million, two hundred fifty-three thousand, eighty-one".