197616361 has 2 divisors, whose sum is σ = 197616362. Its totient is φ = 197616360.

The previous prime is 197616319. The next prime is 197616403. The reversal of 197616361 is 163616791.

It is a balanced prime because it is at equal distance from previous prime (197616319) and next prime (197616403).

It can be written as a sum of positive squares in only one way, i.e., 101203600 + 96412761 = 10060^2 + 9819^2 .

It is a cyclic number.

It is not a de Polignac number, because 197616361 - 2⁹ = 197615849 is a prime.

It is a super-2 number, since 2×197616361² = 78104452269764642, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (197616961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98808180 + 98808181.

It is an arithmetic number, because the mean of its divisors is an integer number (98808181).

Almost surely, 2^197616361 is an apocalyptic number.

It is an amenable number.

197616361 is a deficient number, since it is larger than the sum of its proper divisors (1).

197616361 is an equidigital number, since it uses as much as digits as its factorization.

197616361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 197616361 is about 14057.6086515453. The cubic root of 197616361 is about 582.4709887496.

The spelling of 197616361 in words is "one hundred ninety-seven million, six hundred sixteen thousand, three hundred sixty-one".