10278197 has 2 divisors, whose sum is σ = 10278198. Its totient is φ = 10278196.

The previous prime is 10278187. The next prime is 10278223. The reversal of 10278197 is 79187201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6120676 + 4157521 = 2474^2 + 2039^2 .

It is a cyclic number.

It is not a de Polignac number, because 10278197 - 2⁶ = 10278133 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 (10278157) 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, 5139098 + 5139099.

It is an arithmetic number, because the mean of its divisors is an integer number (5139099).

Almost surely, 2^10278197 is an apocalyptic number.

It is an amenable number.

10278197 is a deficient number, since it is larger than the sum of its proper divisors (1).

10278197 is an equidigital number, since it uses as much as digits as its factorization.

10278197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 10278197 is about 3205.9627259218. The cubic root of 10278197 is about 217.4230810934.

The spelling of 10278197 in words is "ten million, two hundred seventy-eight thousand, one hundred ninety-seven".