26538463 has 4 divisors (see below), whose sum is σ = 30329680. Its totient is φ = 22747248.

The previous prime is 26538443. The next prime is 26538469. The reversal of 26538463 is 36483562.

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

It is a cyclic number.

It is not a de Polignac number, because 26538463 - 2⁵ = 26538431 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 (26538469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1895598 + ... + 1895611.

It is an arithmetic number, because the mean of its divisors is an integer number (7582420).

Almost surely, 2^26538463 is an apocalyptic number.

26538463 is a deficient number, since it is larger than the sum of its proper divisors (3791217).

26538463 is an equidigital number, since it uses as much as digits as its factorization.

26538463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3791216.

The product of its digits is 103680, while the sum is 37.

The square root of 26538463 is about 5151.5495727014. The cubic root of 26538463 is about 298.2807700187.

The spelling of 26538463 in words is "twenty-six million, five hundred thirty-eight thousand, four hundred sixty-three".