26151149 has 2 divisors, whose sum is σ = 26151150. Its totient is φ = 26151148.

The previous prime is 26151131. The next prime is 26151157. The reversal of 26151149 is 94115162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25908100 + 243049 = 5090^2 + 493^2 .

It is a cyclic number.

It is not a de Polignac number, because 26151149 - 2²⁴ = 9373933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26151109) 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, 13075574 + 13075575.

It is an arithmetic number, because the mean of its divisors is an integer number (13075575).

Almost surely, 2^26151149 is an apocalyptic number.

It is an amenable number.

26151149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26151149 is an equidigital number, since it uses as much as digits as its factorization.

26151149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 29.

The square root of 26151149 is about 5113.8194140975. The cubic root of 26151149 is about 296.8225727402.

The spelling of 26151149 in words is "twenty-six million, one hundred fifty-one thousand, one hundred forty-nine".