26320051 has 2 divisors, whose sum is σ = 26320052. Its totient is φ = 26320050.

The previous prime is 26320043. The next prime is 26320057. The reversal of 26320051 is 15002362.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 26320051 - 2³ = 26320043 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26320057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13160025 + 13160026.

It is an arithmetic number, because the mean of its divisors is an integer number (13160026).

Almost surely, 2^26320051 is an apocalyptic number.

26320051 is a deficient number, since it is larger than the sum of its proper divisors (1).

26320051 is an equidigital number, since it uses as much as digits as its factorization.

26320051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 26320051 is about 5130.3071058174. The cubic root of 26320051 is about 297.4602296011.

The spelling of 26320051 in words is "twenty-six million, three hundred twenty thousand, fifty-one".