980197 has 2 divisors, whose sum is σ = 980198. Its totient is φ = 980196.

The previous prime is 980179. The next prime is 980219. The reversal of 980197 is 791089.

Together with previous prime (980179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 919681 + 60516 = 959^2 + 246^2 .

It is a cyclic number.

It is not a de Polignac number, because 980197 - 2⁷ = 980069 is a prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (980107) 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, 490098 + 490099.

It is an arithmetic number, because the mean of its divisors is an integer number (490099).

2⁹⁸⁰¹⁹⁷ is an apocalyptic number.

It is an amenable number.

980197 is a deficient number, since it is larger than the sum of its proper divisors (1).

980197 is an equidigital number, since it uses as much as digits as its factorization.

980197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 34.

The square root of 980197 is about 990.0489886869. The cubic root of 980197 is about 99.3354940999.

The spelling of 980197 in words is "nine hundred eighty thousand, one hundred ninety-seven".