26157841 has 2 divisors, whose sum is σ = 26157842. Its totient is φ = 26157840.

The previous prime is 26157839. The next prime is 26157863. The reversal of 26157841 is 14875162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22467600 + 3690241 = 4740^2 + 1921^2 .

It is a cyclic number.

It is not a de Polignac number, because 26157841 - 2¹ = 26157839 is a prime.

Together with 26157839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 26157797 and 26157806.

It is not a weakly prime, because it can be changed into another prime (26157811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13078920 + 13078921.

It is an arithmetic number, because the mean of its divisors is an integer number (13078921).

Almost surely, 2^26157841 is an apocalyptic number.

It is an amenable number.

26157841 is a deficient number, since it is larger than the sum of its proper divisors (1).

26157841 is an equidigital number, since it uses as much as digits as its factorization.

26157841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13440, while the sum is 34.

The square root of 26157841 is about 5114.4736777111. The cubic root of 26157841 is about 296.8478892473.

The spelling of 26157841 in words is "twenty-six million, one hundred fifty-seven thousand, eight hundred forty-one".