197456713 has 2 divisors, whose sum is σ = 197456714. Its totient is φ = 197456712.

The previous prime is 197456711. The next prime is 197456723. The reversal of 197456713 is 317654791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 162741049 + 34715664 = 12757^2 + 5892^2 .

It is a cyclic number.

It is not a de Polignac number, because 197456713 - 2¹ = 197456711 is a prime.

Together with 197456711, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 197456713.

It is not a weakly prime, because it can be changed into another prime (197456711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98728356 + 98728357.

It is an arithmetic number, because the mean of its divisors is an integer number (98728357).

Almost surely, 2^197456713 is an apocalyptic number.

It is an amenable number.

197456713 is a deficient number, since it is larger than the sum of its proper divisors (1).

197456713 is an equidigital number, since it uses as much as digits as its factorization.

197456713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 158760, while the sum is 43.

The square root of 197456713 is about 14051.9291558134. The cubic root of 197456713 is about 582.3140932029.

The spelling of 197456713 in words is "one hundred ninety-seven million, four hundred fifty-six thousand, seven hundred thirteen".