26205701 has 2 divisors, whose sum is σ = 26205702. Its totient is φ = 26205700.

The previous prime is 26205689. The next prime is 26205703. The reversal of 26205701 is 10750262.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13432225 + 12773476 = 3665^2 + 3574^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26205701 is a prime.

Together with 26205703, it forms a pair of twin primes.

It is a Chen prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26205703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13102850 + 13102851.

It is an arithmetic number, because the mean of its divisors is an integer number (13102851).

Almost surely, 2^26205701 is an apocalyptic number.

It is an amenable number.

26205701 is a deficient number, since it is larger than the sum of its proper divisors (1).

26205701 is an equidigital number, since it uses as much as digits as its factorization.

26205701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 26205701 is about 5119.1504177940. The cubic root of 26205701 is about 297.0288226817.

Adding to 26205701 its reverse (10750262), we get a palindrome (36955963).

The spelling of 26205701 in words is "twenty-six million, two hundred five thousand, seven hundred one".