26542651 has 2 divisors, whose sum is σ = 26542652. Its totient is φ = 26542650.

The previous prime is 26542643. The next prime is 26542669. The reversal of 26542651 is 15624562.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26542651 - 2³ = 26542643 is a prime.

It is not a weakly prime, because it can be changed into another prime (26542631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13271325 + 13271326.

It is an arithmetic number, because the mean of its divisors is an integer number (13271326).

Almost surely, 2^26542651 is an apocalyptic number.

26542651 is a deficient number, since it is larger than the sum of its proper divisors (1).

26542651 is an equidigital number, since it uses as much as digits as its factorization.

26542651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14400, while the sum is 31.

The square root of 26542651 is about 5151.9560363031. The cubic root of 26542651 is about 298.2964596257.

The spelling of 26542651 in words is "twenty-six million, five hundred forty-two thousand, six hundred fifty-one".