26204281 has 2 divisors, whose sum is σ = 26204282. Its totient is φ = 26204280.

The previous prime is 26204279. The next prime is 26204317. The reversal of 26204281 is 18240262.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26101881 + 102400 = 5109^2 + 320^2 .

It is a cyclic number.

It is not a de Polignac number, because 26204281 - 2¹ = 26204279 is a prime.

It is a super-2 number, since 2×26204281² = 1373328685453922, which contains 22 as substring.

Together with 26204279, it forms a pair of twin primes.

It is equal to p_1636450 and since 26204281 and 1636450 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26204881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13102140 + 13102141.

It is an arithmetic number, because the mean of its divisors is an integer number (13102141).

Almost surely, 2^26204281 is an apocalyptic number.

It is an amenable number.

26204281 is a deficient number, since it is larger than the sum of its proper divisors (1).

26204281 is an equidigital number, since it uses as much as digits as its factorization.

26204281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 26204281 is about 5119.0117210258. The cubic root of 26204281 is about 297.0234575826.

The spelling of 26204281 in words is "twenty-six million, two hundred four thousand, two hundred eighty-one".