26054521 has 2 divisors, whose sum is σ = 26054522. Its totient is φ = 26054520.

The previous prime is 26054513. The next prime is 26054531. The reversal of 26054521 is 12545062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26010000 + 44521 = 5100^2 + 211^2 .

It is a cyclic number.

It is not a de Polignac number, because 26054521 - 2³ = 26054513 is a prime.

It is not a weakly prime, because it can be changed into another prime (26054531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13027260 + 13027261.

It is an arithmetic number, because the mean of its divisors is an integer number (13027261).

Almost surely, 2^26054521 is an apocalyptic number.

It is an amenable number.

26054521 is a deficient number, since it is larger than the sum of its proper divisors (1).

26054521 is an equidigital number, since it uses as much as digits as its factorization.

26054521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 26054521 is about 5104.3629377230. The cubic root of 26054521 is about 296.4565369437.

Adding to 26054521 its reverse (12545062), we get a palindrome (38599583).

The spelling of 26054521 in words is "twenty-six million, fifty-four thousand, five hundred twenty-one".