26505461 has 4 divisors (see below), whose sum is σ = 26683500. Its totient is φ = 26327424.

The previous prime is 26505433. The next prime is 26505463. The reversal of 26505461 is 16450562.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6345361 + 20160100 = 2519^2 + 4490^2 .

It is a cyclic number.

It is not a de Polignac number, because 26505461 - 2¹⁰ = 26504437 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26505463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88796 + ... + 89093.

It is an arithmetic number, because the mean of its divisors is an integer number (6670875).

Almost surely, 2^26505461 is an apocalyptic number.

It is an amenable number.

26505461 is a deficient number, since it is larger than the sum of its proper divisors (178039).

26505461 is a wasteful number, since it uses less digits than its factorization.

26505461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178038.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 26505461 is about 5148.3454623792. The cubic root of 26505461 is about 298.1570760272.

The spelling of 26505461 in words is "twenty-six million, five hundred five thousand, four hundred sixty-one".