26641357 has 2 divisors, whose sum is σ = 26641358. Its totient is φ = 26641356.

The previous prime is 26641313. The next prime is 26641361. The reversal of 26641357 is 75314662.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22524516 + 4116841 = 4746^2 + 2029^2 .

It is a cyclic number.

It is not a de Polignac number, because 26641357 - 2⁷ = 26641229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26641367) 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, 13320678 + 13320679.

It is an arithmetic number, because the mean of its divisors is an integer number (13320679).

Almost surely, 2^26641357 is an apocalyptic number.

It is an amenable number.

26641357 is a deficient number, since it is larger than the sum of its proper divisors (1).

26641357 is an equidigital number, since it uses as much as digits as its factorization.

26641357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 34.

The square root of 26641357 is about 5161.5266152564. The cubic root of 26641357 is about 298.6657674680.

The spelling of 26641357 in words is "twenty-six million, six hundred forty-one thousand, three hundred fifty-seven".