26418149 has 2 divisors, whose sum is σ = 26418150. Its totient is φ = 26418148.

The previous prime is 26418143. The next prime is 26418173. The reversal of 26418149 is 94181462.

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., 25300900 + 1117249 = 5030^2 + 1057^2 .

It is a cyclic number.

It is not a de Polignac number, because 26418149 - 2¹² = 26414053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26418143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13209074 + 13209075.

It is an arithmetic number, because the mean of its divisors is an integer number (13209075).

Almost surely, 2^26418149 is an apocalyptic number.

It is an amenable number.

26418149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26418149 is an equidigital number, since it uses as much as digits as its factorization.

26418149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 26418149 is about 5139.8588502020. The cubic root of 26418149 is about 297.8293281224.

The spelling of 26418149 in words is "twenty-six million, four hundred eighteen thousand, one hundred forty-nine".