197535049 has 2 divisors, whose sum is σ = 197535050. Its totient is φ = 197535048.

The previous prime is 197535043. The next prime is 197535061. The reversal of 197535049 is 940535791.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 197121600 + 413449 = 14040^2 + 643^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197535049 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 197534996 and 197535014.

It is not a weakly prime, because it can be changed into another prime (197535043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98767524 + 98767525.

It is an arithmetic number, because the mean of its divisors is an integer number (98767525).

Almost surely, 2^197535049 is an apocalyptic number.

It is an amenable number.

197535049 is a deficient number, since it is larger than the sum of its proper divisors (1).

197535049 is an equidigital number, since it uses as much as digits as its factorization.

197535049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 170100, while the sum is 43.

The square root of 197535049 is about 14054.7162546954. The cubic root of 197535049 is about 582.3910891937.

The spelling of 197535049 in words is "one hundred ninety-seven million, five hundred thirty-five thousand, forty-nine".