980538197 has 2 divisors, whose sum is σ = 980538198. Its totient is φ = 980538196.

The previous prime is 980538191. The next prime is 980538203. The reversal of 980538197 is 791835089.

It is a balanced prime because it is at equal distance from previous prime (980538191) and next prime (980538203).

It can be written as a sum of positive squares in only one way, i.e., 520478596 + 460059601 = 22814^2 + 21449^2 .

It is a cyclic number.

It is not a de Polignac number, because 980538197 - 2¹⁸ = 980276053 is a prime.

It is a super-2 number, since 2×980538197² = 1922910311552021618, 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 (980538191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 490269098 + 490269099.

It is an arithmetic number, because the mean of its divisors is an integer number (490269099).

Almost surely, 2^980538197 is an apocalyptic number.

It is an amenable number.

980538197 is a deficient number, since it is larger than the sum of its proper divisors (1).

980538197 is an equidigital number, since it uses as much as digits as its factorization.

980538197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 544320, while the sum is 50.

The square root of 980538197 is about 31313.5465413932. The cubic root of 980538197 is about 993.4701866784.

The spelling of 980538197 in words is "nine hundred eighty million, five hundred thirty-eight thousand, one hundred ninety-seven".