26382397 has 2 divisors, whose sum is σ = 26382398. Its totient is φ = 26382396.

The previous prime is 26382371. The next prime is 26382401. The reversal of 26382397 is 79328362.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15452761 + 10929636 = 3931^2 + 3306^2 .

It is a cyclic number.

It is not a de Polignac number, because 26382397 - 2¹⁵ = 26349629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26382337) 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, 13191198 + 13191199.

It is an arithmetic number, because the mean of its divisors is an integer number (13191199).

Almost surely, 2^26382397 is an apocalyptic number.

It is an amenable number.

26382397 is a deficient number, since it is larger than the sum of its proper divisors (1).

26382397 is an equidigital number, since it uses as much as digits as its factorization.

26382397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108864, while the sum is 40.

The square root of 26382397 is about 5136.3797562096. The cubic root of 26382397 is about 297.6949154615.

The spelling of 26382397 in words is "twenty-six million, three hundred eighty-two thousand, three hundred ninety-seven".