26790251 has 2 divisors, whose sum is σ = 26790252. Its totient is φ = 26790250.

The previous prime is 26790241. The next prime is 26790271. The reversal of 26790251 is 15209762.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26790251 - 2⁶ = 26790187 is a prime.

It is equal to p_1670756 and since 26790251 and 1670756 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (26790221) 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, 13395125 + 13395126.

It is an arithmetic number, because the mean of its divisors is an integer number (13395126).

Almost surely, 2^26790251 is an apocalyptic number.

26790251 is a deficient number, since it is larger than the sum of its proper divisors (1).

26790251 is an equidigital number, since it uses as much as digits as its factorization.

26790251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 26790251 is about 5175.9299647503. The cubic root of 26790251 is about 299.2211314812.

The spelling of 26790251 in words is "twenty-six million, seven hundred ninety thousand, two hundred fifty-one".