26305063 has 4 divisors (see below), whose sum is σ = 27689560. Its totient is φ = 24920568.

The previous prime is 26305061. The next prime is 26305087. The reversal of 26305063 is 36050362.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36050362 = 2 ⋅18025181.

It is a cyclic number.

It is not a de Polignac number, because 26305063 - 2¹ = 26305061 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 (26305061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692220 + ... + 692257.

It is an arithmetic number, because the mean of its divisors is an integer number (6922390).

Almost surely, 2^26305063 is an apocalyptic number.

26305063 is a deficient number, since it is larger than the sum of its proper divisors (1384497).

26305063 is a wasteful number, since it uses less digits than its factorization.

26305063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384496.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 26305063 is about 5128.8461665369. The cubic root of 26305063 is about 297.4037557939.

The spelling of 26305063 in words is "twenty-six million, three hundred five thousand, sixty-three".