26532081 has 6 divisors (see below), whose sum is σ = 38324130. Its totient is φ = 17688048.

The previous prime is 26532047. The next prime is 26532083. The reversal of 26532081 is 18023562.

26532081 is a `hidden beast` number, since 2 + 653 + 2 + 0 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 21762225 + 4769856 = 4665^2 + 2184^2 .

It is not a de Polignac number, because 26532081 - 2⁹ = 26531569 is a prime.

It is a super-2 number, since 2×26532081² = 1407902644381122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26532083) 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 5 ways as a sum of consecutive naturals, for example, 1473996 + ... + 1474013.

It is an arithmetic number, because the mean of its divisors is an integer number (6387355).

Almost surely, 2^26532081 is an apocalyptic number.

It is an amenable number.

26532081 is a deficient number, since it is larger than the sum of its proper divisors (11792049).

26532081 is a wasteful number, since it uses less digits than its factorization.

26532081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2948015 (or 2948012 counting only the distinct ones).

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

The square root of 26532081 is about 5150.9301101840. The cubic root of 26532081 is about 298.2568578013.

The spelling of 26532081 in words is "twenty-six million, five hundred thirty-two thousand, eighty-one".