26288459 has 2 divisors, whose sum is σ = 26288460. Its totient is φ = 26288458.

The previous prime is 26288441. The next prime is 26288461. The reversal of 26288459 is 95488262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26288459 - 2¹⁶ = 26222923 is a prime.

Together with 26288461, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26288959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13144229 + 13144230.

It is an arithmetic number, because the mean of its divisors is an integer number (13144230).

Almost surely, 2^26288459 is an apocalyptic number.

26288459 is a deficient number, since it is larger than the sum of its proper divisors (1).

26288459 is an equidigital number, since it uses as much as digits as its factorization.

26288459 is an evil number, because the sum of its binary digits is even.

The product of its digits is 276480, while the sum is 44.

The square root of 26288459 is about 5127.2272233635. The cubic root of 26288459 is about 297.3411679528.

The spelling of 26288459 in words is "twenty-six million, two hundred eighty-eight thousand, four hundred fifty-nine".