26561132 has 24 divisors (see below), whose sum is σ = 50234016. Its totient is φ = 12215808.

The previous prime is 26561131. The next prime is 26561137. The reversal of 26561132 is 23116562.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is not an unprimeable number, because it can be changed into a prime (26561131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17633 + ... + 19079.

It is an arithmetic number, because the mean of its divisors is an integer number (2093084).

Almost surely, 2^26561132 is an apocalyptic number.

It is an amenable number.

26561132 is a deficient number, since it is larger than the sum of its proper divisors (23672884).

26561132 is a wasteful number, since it uses less digits than its factorization.

26561132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1817 (or 1815 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 26561132 is about 5153.7493148193. The cubic root of 26561132 is about 298.3656757449.

Adding to 26561132 its reverse (23116562), we get a palindrome (49677694).

The spelling of 26561132 in words is "twenty-six million, five hundred sixty-one thousand, one hundred thirty-two".