26101489 has 2 divisors, whose sum is σ = 26101490. Its totient is φ = 26101488.

The previous prime is 26101469. The next prime is 26101499. The reversal of 26101489 is 98410162.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23184225 + 2917264 = 4815^2 + 1708^2 .

It is a cyclic number.

It is not a de Polignac number, because 26101489 - 2⁵ = 26101457 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26101489.

It is not a weakly prime, because it can be changed into another prime (26101469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13050744 + 13050745.

It is an arithmetic number, because the mean of its divisors is an integer number (13050745).

Almost surely, 2^26101489 is an apocalyptic number.

It is an amenable number.

26101489 is a deficient number, since it is larger than the sum of its proper divisors (1).

26101489 is an equidigital number, since it uses as much as digits as its factorization.

26101489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 26101489 is about 5108.9616361840. The cubic root of 26101489 is about 296.6345689017.

The spelling of 26101489 in words is "twenty-six million, one hundred one thousand, four hundred eighty-nine".