26965129 has 2 divisors, whose sum is σ = 26965130. Its totient is φ = 26965128.

The previous prime is 26965109. The next prime is 26965139. The reversal of 26965129 is 92156962.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13860729 + 13104400 = 3723^2 + 3620^2 .

It is a cyclic number.

It is not a de Polignac number, because 26965129 - 2¹⁷ = 26834057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 26965091 and 26965100.

It is not a weakly prime, because it can be changed into another prime (26965109) 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, 13482564 + 13482565.

It is an arithmetic number, because the mean of its divisors is an integer number (13482565).

Almost surely, 2^26965129 is an apocalyptic number.

It is an amenable number.

26965129 is a deficient number, since it is larger than the sum of its proper divisors (1).

26965129 is an equidigital number, since it uses as much as digits as its factorization.

26965129 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 40.

The square root of 26965129 is about 5192.7958750561. The cubic root of 26965129 is about 299.8707925076.

The spelling of 26965129 in words is "twenty-six million, nine hundred sixty-five thousand, one hundred twenty-nine".