26050009 has 4 divisors (see below), whose sum is σ = 26088400. Its totient is φ = 26011620.

The previous prime is 26049979. The next prime is 26050043. The reversal of 26050009 is 90005062.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 26050009 - 2⁹ = 26049497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26050309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18159 + ... + 19540.

It is an arithmetic number, because the mean of its divisors is an integer number (6522100).

Almost surely, 2^26050009 is an apocalyptic number.

It is an amenable number.

26050009 is a deficient number, since it is larger than the sum of its proper divisors (38391).

26050009 is an equidigital number, since it uses as much as digits as its factorization.

26050009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38390.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 26050009 is about 5103.9209437451. The cubic root of 26050009 is about 296.4394229706.

The spelling of 26050009 in words is "twenty-six million, fifty thousand, nine".