26563256 has 16 divisors (see below), whose sum is σ = 50321040. Its totient is φ = 13144320.

The previous prime is 26563253. The next prime is 26563259. The reversal of 26563256 is 65236562.

It is an interprime number because it is at equal distance from previous prime (26563253) and next prime (26563259).

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26563253) 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, 16340 + ... + 17891.

It is an arithmetic number, because the mean of its divisors is an integer number (3145065).

Almost surely, 2^26563256 is an apocalyptic number.

It is an amenable number.

26563256 is a deficient number, since it is larger than the sum of its proper divisors (23757784).

26563256 is a wasteful number, since it uses less digits than its factorization.

26563256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34334 (or 34330 counting only the distinct ones).

The product of its digits is 64800, while the sum is 35.

The square root of 26563256 is about 5153.9553742732. The cubic root of 26563256 is about 298.3736286163.

The spelling of 26563256 in words is "twenty-six million, five hundred sixty-three thousand, two hundred fifty-six".