26271563 has 2 divisors, whose sum is σ = 26271564. Its totient is φ = 26271562.

The previous prime is 26271551. The next prime is 26271569. The reversal of 26271563 is 36517262.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26271563 - 2¹² = 26267467 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26271569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13135781 + 13135782.

It is an arithmetic number, because the mean of its divisors is an integer number (13135782).

Almost surely, 2^26271563 is an apocalyptic number.

26271563 is a deficient number, since it is larger than the sum of its proper divisors (1).

26271563 is an equidigital number, since it uses as much as digits as its factorization.

26271563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15120, while the sum is 32.

The square root of 26271563 is about 5125.5792843346. The cubic root of 26271563 is about 297.2774523749.

The spelling of 26271563 in words is "twenty-six million, two hundred seventy-one thousand, five hundred sixty-three".