26288461 has 2 divisors, whose sum is σ = 26288462. Its totient is φ = 26288460.

The previous prime is 26288459. The next prime is 26288467. The reversal of 26288461 is 16488262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18966025 + 7322436 = 4355^2 + 2706^2 .

It is a cyclic number.

It is not a de Polignac number, because 26288461 - 2¹ = 26288459 is a prime.

Together with 26288459, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 26288461.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26288467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13144230 + 13144231.

It is an arithmetic number, because the mean of its divisors is an integer number (13144231).

Almost surely, 2^26288461 is an apocalyptic number.

It is an amenable number.

26288461 is a deficient number, since it is larger than the sum of its proper divisors (1).

26288461 is an equidigital number, since it uses as much as digits as its factorization.

26288461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 26288461 is about 5127.2274184007. The cubic root of 26288461 is about 297.3411754932.

The spelling of 26288461 in words is "twenty-six million, two hundred eighty-eight thousand, four hundred sixty-one".