26138701 has 2 divisors, whose sum is σ = 26138702. Its totient is φ = 26138700.

The previous prime is 26138681. The next prime is 26138719. The reversal of 26138701 is 10783162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19758025 + 6380676 = 4445^2 + 2526^2 .

It is a cyclic number.

It is not a de Polignac number, because 26138701 - 2⁵ = 26138669 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 26138701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26138201) 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, 13069350 + 13069351.

It is an arithmetic number, because the mean of its divisors is an integer number (13069351).

Almost surely, 2^26138701 is an apocalyptic number.

It is an amenable number.

26138701 is a deficient number, since it is larger than the sum of its proper divisors (1).

26138701 is an equidigital number, since it uses as much as digits as its factorization.

26138701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 26138701 is about 5112.6021750181. The cubic root of 26138701 is about 296.7754692166.

The spelling of 26138701 in words is "twenty-six million, one hundred thirty-eight thousand, seven hundred one".