26953489 has 2 divisors, whose sum is σ = 26953490. Its totient is φ = 26953488.

The previous prime is 26953471. The next prime is 26953543. The reversal of 26953489 is 98435962.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26863489 + 90000 = 5183^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 26953489 - 2¹⁷ = 26822417 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26953439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13476744 + 13476745.

It is an arithmetic number, because the mean of its divisors is an integer number (13476745).

Almost surely, 2^26953489 is an apocalyptic number.

It is an amenable number.

26953489 is a deficient number, since it is larger than the sum of its proper divisors (1).

26953489 is an equidigital number, since it uses as much as digits as its factorization.

26953489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 466560, while the sum is 46.

The square root of 26953489 is about 5191.6749705659. The cubic root of 26953489 is about 299.8276380272.

The spelling of 26953489 in words is "twenty-six million, nine hundred fifty-three thousand, four hundred eighty-nine".