26561130 has 16 divisors (see below), whose sum is σ = 63746784. Its totient is φ = 7082960.

The previous prime is 26561111. The next prime is 26561131. The reversal of 26561130 is 3116562.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 26561130.

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, 442656 + ... + 442715.

It is an arithmetic number, because the mean of its divisors is an integer number (3984174).

Almost surely, 2^26561130 is an apocalyptic number.

26561130 is an abundant number, since it is smaller than the sum of its proper divisors (37185654).

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

26561130 is a wasteful number, since it uses less digits than its factorization.

26561130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885381.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 26561130 is about 5153.7491207858. The cubic root of 26561130 is about 298.3656682561.

Adding to 26561130 its reverse (3116562), we get a palindrome (29677692).

The spelling of 26561130 in words is "twenty-six million, five hundred sixty-one thousand, one hundred thirty".