26564053 has 2 divisors, whose sum is σ = 26564054. Its totient is φ = 26564052.

The previous prime is 26564017. The next prime is 26564059. The reversal of 26564053 is 35046562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21003889 + 5560164 = 4583^2 + 2358^2 .

It is a cyclic number.

It is not a de Polignac number, because 26564053 - 2⁹ = 26563541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26564059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13282026 + 13282027.

It is an arithmetic number, because the mean of its divisors is an integer number (13282027).

Almost surely, 2^26564053 is an apocalyptic number.

It is an amenable number.

26564053 is a deficient number, since it is larger than the sum of its proper divisors (1).

26564053 is an equidigital number, since it uses as much as digits as its factorization.

26564053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 26564053 is about 5154.0326929502. The cubic root of 26564053 is about 298.3766127058.

The spelling of 26564053 in words is "twenty-six million, five hundred sixty-four thousand, fifty-three".