26480831 has 4 divisors (see below), whose sum is σ = 28517832. Its totient is φ = 24443832.

The previous prime is 26480821. The next prime is 26480891. The reversal of 26480831 is 13808462.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13808462 = 2 ⋅6904231.

It is a cyclic number.

It is not a de Polignac number, because 26480831 - 2⁶ = 26480767 is a prime.

It is a super-2 number, since 2×26480831² = 1402468820901122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26480821) 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, 1018481 + ... + 1018506.

It is an arithmetic number, because the mean of its divisors is an integer number (7129458).

Almost surely, 2^26480831 is an apocalyptic number.

26480831 is a deficient number, since it is larger than the sum of its proper divisors (2037001).

26480831 is a wasteful number, since it uses less digits than its factorization.

26480831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037000.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 26480831 is about 5145.9528758044. The cubic root of 26480831 is about 298.0646940005.

The spelling of 26480831 in words is "twenty-six million, four hundred eighty thousand, eight hundred thirty-one".