26481533 has 16 divisors (see below), whose sum is σ = 30729216. Its totient is φ = 22619520.

The previous prime is 26481517. The next prime is 26481541. The reversal of 26481533 is 33518462.

It is a cyclic number.

It is not a de Polignac number, because 26481533 - 2⁴ = 26481517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26481533.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26483533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7841 + ... + 10697.

It is an arithmetic number, because the mean of its divisors is an integer number (1920576).

Almost surely, 2^26481533 is an apocalyptic number.

26481533 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

26481533 is a deficient number, since it is larger than the sum of its proper divisors (4247683).

26481533 is a wasteful number, since it uses less digits than its factorization.

26481533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924.

The product of its digits is 17280, while the sum is 32.

The square root of 26481533 is about 5146.0210842942. The cubic root of 26481533 is about 298.0673278499.

Adding to 26481533 its reverse (33518462), we get a palindrome (59999995).

The spelling of 26481533 in words is "twenty-six million, four hundred eighty-one thousand, five hundred thirty-three".