26975129 has 2 divisors, whose sum is σ = 26975130. Its totient is φ = 26975128.

The previous prime is 26975111. The next prime is 26975131. The reversal of 26975129 is 92157962.

26975129 is nontrivially palindromic in base 4.

26975129 is an esthetic number in base 4, because in such base its adjacent digits differ by 1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16216729 + 10758400 = 4027^2 + 3280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26975129 is a prime.

Together with 26975131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26975149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13487564 + 13487565.

It is an arithmetic number, because the mean of its divisors is an integer number (13487565).

Almost surely, 2^26975129 is an apocalyptic number.

It is an amenable number.

26975129 is a deficient number, since it is larger than the sum of its proper divisors (1).

26975129 is an equidigital number, since it uses as much as digits as its factorization.

26975129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 41.

The square root of 26975129 is about 5193.7586582359. The cubic root of 26975129 is about 299.9078568869.

The spelling of 26975129 in words is "twenty-six million, nine hundred seventy-five thousand, one hundred twenty-nine".