26103197 has 2 divisors, whose sum is σ = 26103198. Its totient is φ = 26103196.

The previous prime is 26103151. The next prime is 26103239. The reversal of 26103197 is 79130162.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15792676 + 10310521 = 3974^2 + 3211^2 .

It is a cyclic number.

It is not a de Polignac number, because 26103197 - 2¹⁰ = 26102173 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (26103097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13051598 + 13051599.

It is an arithmetic number, because the mean of its divisors is an integer number (13051599).

Almost surely, 2^26103197 is an apocalyptic number.

It is an amenable number.

26103197 is a deficient number, since it is larger than the sum of its proper divisors (1).

26103197 is an equidigital number, since it uses as much as digits as its factorization.

26103197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 29.

The square root of 26103197 is about 5109.1287907039. The cubic root of 26103197 is about 296.6410390408.

The spelling of 26103197 in words is "twenty-six million, one hundred three thousand, one hundred ninety-seven".