26531232 has 96 divisors (see below), whose sum is σ = 85744512. Its totient is φ = 6994944.

The previous prime is 26531231. The next prime is 26531233. The reversal of 26531232 is 23213562.

It is an interprime number because it is at equal distance from previous prime (26531231) and next prime (26531233).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26531231) 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 15 ways as a sum of consecutive naturals, for example, 7218 + ... + 10254.

It is an arithmetic number, because the mean of its divisors is an integer number (893172).

Almost surely, 2^26531232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26531232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42872256).

26531232 is an abundant number, since it is smaller than the sum of its proper divisors (59213280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26531232 is a wasteful number, since it uses less digits than its factorization.

26531232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070 (or 3062 counting only the distinct ones).

The product of its digits is 2160, while the sum is 24.

The square root of 26531232 is about 5150.8476972242. The cubic root of 26531232 is about 298.2536764606.

Adding to 26531232 its reverse (23213562), we get a palindrome (49744794).

The spelling of 26531232 in words is "twenty-six million, five hundred thirty-one thousand, two hundred thirty-two".