26461281 has 32 divisors (see below), whose sum is σ = 46310400. Its totient is φ = 13020480.

The previous prime is 26461273. The next prime is 26461283. The reversal of 26461281 is 18216462.

It is not a de Polignac number, because 26461281 - 2³ = 26461273 is a prime.

It is a super-2 number, since 2×26461281² = 1400398784321922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26461283) 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 31 ways as a sum of consecutive naturals, for example, 1375 + ... + 7403.

It is an arithmetic number, because the mean of its divisors is an integer number (1447200).

Almost surely, 2^26461281 is an apocalyptic number.

26461281 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26461281 is a deficient number, since it is larger than the sum of its proper divisors (19849119).

26461281 is a wasteful number, since it uses less digits than its factorization.

26461281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6069.

The product of its digits is 4608, while the sum is 30.

The square root of 26461281 is about 5144.0529740663. The cubic root of 26461281 is about 297.9913252133.

The spelling of 26461281 in words is "twenty-six million, four hundred sixty-one thousand, two hundred eighty-one".