26695261 has 2 divisors, whose sum is σ = 26695262. Its totient is φ = 26695260.

The previous prime is 26695243. The next prime is 26695267. The reversal of 26695261 is 16259662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16892100 + 9803161 = 4110^2 + 3131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26695261 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26695261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26695267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13347630 + 13347631.

It is an arithmetic number, because the mean of its divisors is an integer number (13347631).

Almost surely, 2^26695261 is an apocalyptic number.

It is an amenable number.

26695261 is a deficient number, since it is larger than the sum of its proper divisors (1).

26695261 is an equidigital number, since it uses as much as digits as its factorization.

26695261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38880, while the sum is 37.

The square root of 26695261 is about 5166.7456875678. The cubic root of 26695261 is about 298.8670639425.

The spelling of 26695261 in words is "twenty-six million, six hundred ninety-five thousand, two hundred sixty-one".