26157073 has 2 divisors, whose sum is σ = 26157074. Its totient is φ = 26157072.

The previous prime is 26157071. The next prime is 26157107. The reversal of 26157073 is 37075162.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15737089 + 10419984 = 3967^2 + 3228^2 .

It is a cyclic number.

It is not a de Polignac number, because 26157073 - 2¹ = 26157071 is a prime.

Together with 26157071, it forms a pair of twin primes.

It is a zygodrome in base 13.

It is not a weakly prime, because it can be changed into another prime (26157071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13078536 + 13078537.

It is an arithmetic number, because the mean of its divisors is an integer number (13078537).

Almost surely, 2^26157073 is an apocalyptic number.

It is an amenable number.

26157073 is a deficient number, since it is larger than the sum of its proper divisors (1).

26157073 is an equidigital number, since it uses as much as digits as its factorization.

26157073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 26157073 is about 5114.3985961206. The cubic root of 26157073 is about 296.8449840456.

The spelling of 26157073 in words is "twenty-six million, one hundred fifty-seven thousand, seventy-three".