26620801 has 2 divisors, whose sum is σ = 26620802. Its totient is φ = 26620800.

The previous prime is 26620771. The next prime is 26620813. The reversal of 26620801 is 10802662.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19571776 + 7049025 = 4424^2 + 2655^2 .

It is a cyclic number.

It is not a de Polignac number, because 26620801 - 2¹³ = 26612609 is a prime.

It is not a weakly prime, because it can be changed into another prime (26620901) 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, 13310400 + 13310401.

It is an arithmetic number, because the mean of its divisors is an integer number (13310401).

Almost surely, 2^26620801 is an apocalyptic number.

It is an amenable number.

26620801 is a deficient number, since it is larger than the sum of its proper divisors (1).

26620801 is an equidigital number, since it uses as much as digits as its factorization.

26620801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 26620801 is about 5159.5349596645. The cubic root of 26620801 is about 298.5889326281.

The spelling of 26620801 in words is "twenty-six million, six hundred twenty thousand, eight hundred one".