26401283 has 4 divisors (see below), whose sum is σ = 26795400. Its totient is φ = 26007168.

The previous prime is 26401267. The next prime is 26401301. The reversal of 26401283 is 38210462.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26401283 - 2⁴ = 26401267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26401213) 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 3 ways as a sum of consecutive naturals, for example, 196958 + ... + 197091.

It is an arithmetic number, because the mean of its divisors is an integer number (6698850).

Almost surely, 2^26401283 is an apocalyptic number.

26401283 is a deficient number, since it is larger than the sum of its proper divisors (394117).

26401283 is an equidigital number, since it uses as much as digits as its factorization.

26401283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394116.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 26401283 is about 5138.2178817174. The cubic root of 26401283 is about 297.7659340922.

The spelling of 26401283 in words is "twenty-six million, four hundred one thousand, two hundred eighty-three".