26305087 has 2 divisors, whose sum is σ = 26305088. Its totient is φ = 26305086.

The previous prime is 26305061. The next prime is 26305127. The reversal of 26305087 is 78050362.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26305087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26305687) 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 as a sum of consecutive naturals, namely, 13152543 + 13152544.

It is an arithmetic number, because the mean of its divisors is an integer number (13152544).

Almost surely, 2^26305087 is an apocalyptic number.

26305087 is a deficient number, since it is larger than the sum of its proper divisors (1).

26305087 is an equidigital number, since it uses as much as digits as its factorization.

26305087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 26305087 is about 5128.8485062439. The cubic root of 26305087 is about 297.4038462415.

The spelling of 26305087 in words is "twenty-six million, three hundred five thousand, eighty-seven".