26563430 has 16 divisors (see below), whose sum is σ = 47918304. Its totient is φ = 10602240.

The previous prime is 26563429. The next prime is 26563477. The reversal of 26563430 is 3436562.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26563393 and 26563402.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 2390 + ... + 7670.

It is an arithmetic number, because the mean of its divisors is an integer number (2994894).

Almost surely, 2^26563430 is an apocalyptic number.

26563430 is a deficient number, since it is larger than the sum of its proper divisors (21354874).

26563430 is a wasteful number, since it uses less digits than its factorization.

26563430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791.

The product of its (nonzero) digits is 12960, while the sum is 29.

The square root of 26563430 is about 5153.9722544849. The cubic root of 26563430 is about 298.3742801039.

Adding to 26563430 its reverse (3436562), we get a palindrome (29999992).

The spelling of 26563430 in words is "twenty-six million, five hundred sixty-three thousand, four hundred thirty".