26380051 has 4 divisors (see below), whose sum is σ = 26636272. Its totient is φ = 26123832.

The previous prime is 26380049. The next prime is 26380063. The reversal of 26380051 is 15008362.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 26380051 - 2¹ = 26380049 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26379998 and 26380025.

It is not an unprimeable number, because it can be changed into a prime (26380031) 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 in 3 ways as a sum of consecutive naturals, for example, 127956 + ... + 128161.

It is an arithmetic number, because the mean of its divisors is an integer number (6659068).

Almost surely, 2^26380051 is an apocalyptic number.

26380051 is a deficient number, since it is larger than the sum of its proper divisors (256221).

26380051 is a wasteful number, since it uses less digits than its factorization.

26380051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256220.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 26380051 is about 5136.1513801678. The cubic root of 26380051 is about 297.6860912321.

The spelling of 26380051 in words is "twenty-six million, three hundred eighty thousand, fifty-one".