197535061 has 2 divisors, whose sum is σ = 197535062. Its totient is φ = 197535060.

The previous prime is 197535049. The next prime is 197535067. The reversal of 197535061 is 160535791.

197535061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 195832036 + 1703025 = 13994^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 197535061 - 2⁷ = 197534933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 197535061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197535067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98767530 + 98767531.

It is an arithmetic number, because the mean of its divisors is an integer number (98767531).

Almost surely, 2^197535061 is an apocalyptic number.

It is an amenable number.

197535061 is a deficient number, since it is larger than the sum of its proper divisors (1).

197535061 is an equidigital number, since it uses as much as digits as its factorization.

197535061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 197535061 is about 14054.7166815984. The cubic root of 197535061 is about 582.3911009869.

The spelling of 197535061 in words is "one hundred ninety-seven million, five hundred thirty-five thousand, sixty-one".