26120489 has 2 divisors, whose sum is σ = 26120490. Its totient is φ = 26120488.

The previous prime is 26120461. The next prime is 26120509. The reversal of 26120489 is 98402162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13446889 + 12673600 = 3667^2 + 3560^2 .

It is a cyclic number.

It is not a de Polignac number, because 26120489 - 2⁸ = 26120233 is a prime.

It is not a weakly prime, because it can be changed into another prime (26120429) 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 as a sum of consecutive naturals, namely, 13060244 + 13060245.

It is an arithmetic number, because the mean of its divisors is an integer number (13060245).

Almost surely, 2^26120489 is an apocalyptic number.

It is an amenable number.

26120489 is a deficient number, since it is larger than the sum of its proper divisors (1).

26120489 is an equidigital number, since it uses as much as digits as its factorization.

26120489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 26120489 is about 5110.8207755702. The cubic root of 26120489 is about 296.7065276294.

The spelling of 26120489 in words is "twenty-six million, one hundred twenty thousand, four hundred eighty-nine".