26031149 has 2 divisors, whose sum is σ = 26031150. Its totient is φ = 26031148.

The previous prime is 26031139. The next prime is 26031157. The reversal of 26031149 is 94113062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22944100 + 3087049 = 4790^2 + 1757^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26031149 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26031119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13015574 + 13015575.

It is an arithmetic number, because the mean of its divisors is an integer number (13015575).

Almost surely, 2^26031149 is an apocalyptic number.

It is an amenable number.

26031149 is a deficient number, since it is larger than the sum of its proper divisors (1).

26031149 is an equidigital number, since it uses as much as digits as its factorization.

26031149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 26031149 is about 5102.0730100617. The cubic root of 26031149 is about 296.3678657681.

The spelling of 26031149 in words is "twenty-six million, thirty-one thousand, one hundred forty-nine".