26016481 has 4 divisors (see below), whose sum is σ = 26507412. Its totient is φ = 25525552.

The previous prime is 26016449. The next prime is 26016499. The reversal of 26016481 is 18461062.

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

It can be written as a sum of positive squares in 2 ways, for example, as 10144225 + 15872256 = 3185^2 + 3984^2 .

It is a cyclic number.

It is not a de Polignac number, because 26016481 - 2⁵ = 26016449 is a prime.

It is a super-3 number, since 3×26016481³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26016421) 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, 245386 + ... + 245491.

It is an arithmetic number, because the mean of its divisors is an integer number (6626853).

Almost surely, 2^26016481 is an apocalyptic number.

It is an amenable number.

26016481 is a deficient number, since it is larger than the sum of its proper divisors (490931).

26016481 is an equidigital number, since it uses as much as digits as its factorization.

26016481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 490930.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 26016481 is about 5100.6353525811. The cubic root of 26016481 is about 296.3121896419.

The spelling of 26016481 in words is "twenty-six million, sixteen thousand, four hundred eighty-one".