26451 has 6 divisors (see below), whose sum is σ = 38220. Its totient is φ = 17628.

The previous prime is 26449. The next prime is 26459. The reversal of 26451 is 15462.

It is a happy number.

It is not a de Polignac number, because 26451 - 2¹ = 26449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26459) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1461 + ... + 1478.

It is an arithmetic number, because the mean of its divisors is an integer number (6370).

2²⁶⁴⁵¹ is an apocalyptic number.

26451 is a deficient number, since it is larger than the sum of its proper divisors (11769).

26451 is a wasteful number, since it uses less digits than its factorization.

26451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2942 counting only the distinct ones).

The product of its digits is 240, while the sum is 18.

The square root of 26451 is about 162.6376340212. The cubic root of 26451 is about 29.7952727363.

The spelling of 26451 in words is "twenty-six thousand, four hundred fifty-one".