26145859 has 2 divisors, whose sum is σ = 26145860. Its totient is φ = 26145858.

The previous prime is 26145851. The next prime is 26145863. The reversal of 26145859 is 95854162.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26145859 - 2³ = 26145851 is a prime.

It is not a weakly prime, because it can be changed into another prime (26145851) 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, 13072929 + 13072930.

It is an arithmetic number, because the mean of its divisors is an integer number (13072930).

Almost surely, 2^26145859 is an apocalyptic number.

26145859 is a deficient number, since it is larger than the sum of its proper divisors (1).

26145859 is an equidigital number, since it uses as much as digits as its factorization.

26145859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 26145859 is about 5113.3021620084. The cubic root of 26145859 is about 296.8025570830.

The spelling of 26145859 in words is "twenty-six million, one hundred forty-five thousand, eight hundred fifty-nine".