26814561 has 16 divisors (see below), whose sum is σ = 36542016. Its totient is φ = 17486336.

The previous prime is 26814553. The next prime is 26814577. The reversal of 26814561 is 16541862.

It is a cyclic number.

It is not a de Polignac number, because 26814561 - 2³ = 26814553 is a prime.

26814561 is a Rhonda number in base 10.

Its product of digits (11520) is a multiple of the sum of its prime divisors (1152).

It is not an unprimeable number, because it can be changed into a prime (26814551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27661 + ... + 28613.

It is an arithmetic number, because the mean of its divisors is an integer number (2283876).

Almost surely, 2^26814561 is an apocalyptic number.

It is an amenable number.

26814561 is a deficient number, since it is larger than the sum of its proper divisors (9727455).

26814561 is a wasteful number, since it uses less digits than its factorization.

26814561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1152.

The product of its digits is 11520, while the sum is 33.

The square root of 26814561 is about 5178.2778025131. The cubic root of 26814561 is about 299.3116104967.

The spelling of 26814561 in words is "twenty-six million, eight hundred fourteen thousand, five hundred sixty-one".