26516461 has 2 divisors, whose sum is σ = 26516462. Its totient is φ = 26516460.

The previous prime is 26516459. The next prime is 26516491. The reversal of 26516461 is 16461562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19307236 + 7209225 = 4394^2 + 2685^2 .

It is a cyclic number.

It is not a de Polignac number, because 26516461 - 2¹ = 26516459 is a prime.

Together with 26516459, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26516491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13258230 + 13258231.

It is an arithmetic number, because the mean of its divisors is an integer number (13258231).

Almost surely, 2^26516461 is an apocalyptic number.

It is an amenable number.

26516461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26516461 is an equidigital number, since it uses as much as digits as its factorization.

26516461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 26516461 is about 5149.4136559418. The cubic root of 26516461 is about 298.1983162612.

It can be divided in two parts, 265164 and 61, that added together give a square (265225 = 515²).

The spelling of 26516461 in words is "twenty-six million, five hundred sixteen thousand, four hundred sixty-one".