26625149 has 2 divisors, whose sum is σ = 26625150. Its totient is φ = 26625148.

The previous prime is 26625139. The next prime is 26625167. The reversal of 26625149 is 94152662.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20340100 + 6285049 = 4510^2 + 2507^2 .

It is a cyclic number.

It is not a de Polignac number, because 26625149 - 2⁸ = 26624893 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26625119) 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, 13312574 + 13312575.

It is an arithmetic number, because the mean of its divisors is an integer number (13312575).

Almost surely, 2^26625149 is an apocalyptic number.

It is an amenable number.

26625149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26625149 is an equidigital number, since it uses as much as digits as its factorization.

26625149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 35.

The square root of 26625149 is about 5159.9562982646. The cubic root of 26625149 is about 298.6051880118.

The spelling of 26625149 in words is "twenty-six million, six hundred twenty-five thousand, one hundred forty-nine".