26625749 has 2 divisors, whose sum is σ = 26625750. Its totient is φ = 26625748.

The previous prime is 26625737. The next prime is 26625779. The reversal of 26625749 is 94752662.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18645124 + 7980625 = 4318^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 26625749 - 2⁸ = 26625493 is a prime.

It is a super-2 number, since 2×26625749² = 1417861019622002, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26625719) 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, 13312874 + 13312875.

It is an arithmetic number, because the mean of its divisors is an integer number (13312875).

Almost surely, 2^26625749 is an apocalyptic number.

It is an amenable number.

26625749 is a deficient number, since it is larger than the sum of its proper divisors (1).

26625749 is an equidigital number, since it uses as much as digits as its factorization.

26625749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 41.

The square root of 26625749 is about 5160.0144379643. The cubic root of 26625749 is about 298.6074310260.

The spelling of 26625749 in words is "twenty-six million, six hundred twenty-five thousand, seven hundred forty-nine".