197474461 has 2 divisors, whose sum is σ = 197474462. Its totient is φ = 197474460.

The previous prime is 197474441. The next prime is 197474479. The reversal of 197474461 is 164474791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136165561 + 61308900 = 11669^2 + 7830^2 .

It is a cyclic number.

It is not a de Polignac number, because 197474461 - 2⁹ = 197473949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197474441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98737230 + 98737231.

It is an arithmetic number, because the mean of its divisors is an integer number (98737231).

Almost surely, 2^197474461 is an apocalyptic number.

It is an amenable number.

197474461 is a deficient number, since it is larger than the sum of its proper divisors (1).

197474461 is an equidigital number, since it uses as much as digits as its factorization.

197474461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 169344, while the sum is 43.

The square root of 197474461 is about 14052.5606563359. The cubic root of 197474461 is about 582.3315393911.

The spelling of 197474461 in words is "one hundred ninety-seven million, four hundred seventy-four thousand, four hundred sixty-one".