197634049 has 2 divisors, whose sum is σ = 197634050. Its totient is φ = 197634048.

The previous prime is 197634037. The next prime is 197634071. The reversal of 197634049 is 940436791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 163200625 + 34433424 = 12775^2 + 5868^2 .

It is a cyclic number.

It is not a de Polignac number, because 197634049 - 2⁷ = 197633921 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197633996 and 197634014.

It is not a weakly prime, because it can be changed into another prime (197634089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98817024 + 98817025.

It is an arithmetic number, because the mean of its divisors is an integer number (98817025).

Almost surely, 2^197634049 is an apocalyptic number.

It is an amenable number.

197634049 is a deficient number, since it is larger than the sum of its proper divisors (1).

197634049 is an equidigital number, since it uses as much as digits as its factorization.

197634049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 197634049 is about 14058.2377629630. The cubic root of 197634049 is about 582.4883665946.

The spelling of 197634049 in words is "one hundred ninety-seven million, six hundred thirty-four thousand, forty-nine".