26151497 has 2 divisors, whose sum is σ = 26151498. Its totient is φ = 26151496.

The previous prime is 26151479. The next prime is 26151509. The reversal of 26151497 is 79415162.

Together with previous prime (26151479) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14969161 + 11182336 = 3869^2 + 3344^2 .

It is a cyclic number.

It is not a de Polignac number, because 26151497 - 2¹⁰ = 26150473 is a prime.

It is not a weakly prime, because it can be changed into another prime (26151407) 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, 13075748 + 13075749.

It is an arithmetic number, because the mean of its divisors is an integer number (13075749).

Almost surely, 2^26151497 is an apocalyptic number.

It is an amenable number.

26151497 is a deficient number, since it is larger than the sum of its proper divisors (1).

26151497 is an equidigital number, since it uses as much as digits as its factorization.

26151497 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15120, while the sum is 35.

The square root of 26151497 is about 5113.8534394329. The cubic root of 26151497 is about 296.8238893655.

The spelling of 26151497 in words is "twenty-six million, one hundred fifty-one thousand, four hundred ninety-seven".