26561204 has 12 divisors (see below), whose sum is σ = 47471424. Its totient is φ = 12997944.

The previous prime is 26561201. The next prime is 26561231. The reversal of 26561204 is 40216562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26561201) 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, 70454 + ... + 70829.

It is an arithmetic number, because the mean of its divisors is an integer number (3955952).

Almost surely, 2^26561204 is an apocalyptic number.

It is an amenable number.

26561204 is a deficient number, since it is larger than the sum of its proper divisors (20910220).

26561204 is a wasteful number, since it uses less digits than its factorization.

26561204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141334 (or 141332 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 26561204 is about 5153.7563000204. The cubic root of 26561204 is about 298.3659453407.

Adding to 26561204 its reverse (40216562), we get a palindrome (66777766).

The spelling of 26561204 in words is "twenty-six million, five hundred sixty-one thousand, two hundred four".