485681197 has 2 divisors, whose sum is σ = 485681198. Its totient is φ = 485681196.

The previous prime is 485681171. The next prime is 485681201. The reversal of 485681197 is 791186584.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 485497156 + 184041 = 22034^2 + 429^2 .

It is a cyclic number.

It is not a de Polignac number, because 485681197 - 2¹¹ = 485679149 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 485681197.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (485681107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 242840598 + 242840599.

It is an arithmetic number, because the mean of its divisors is an integer number (242840599).

Almost surely, 2^485681197 is an apocalyptic number.

It is an amenable number.

485681197 is a deficient number, since it is larger than the sum of its proper divisors (1).

485681197 is an equidigital number, since it uses as much as digits as its factorization.

485681197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 483840, while the sum is 49.

The square root of 485681197 is about 22038.1759000150. The cubic root of 485681197 is about 786.0504670335.

The spelling of 485681197 in words is "four hundred eighty-five million, six hundred eighty-one thousand, one hundred ninety-seven".