197100461 has 2 divisors, whose sum is σ = 197100462. Its totient is φ = 197100460.

The previous prime is 197100439. The next prime is 197100467. The reversal of 197100461 is 164001791.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124322500 + 72777961 = 11150^2 + 8531^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197100461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197100467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98550230 + 98550231.

It is an arithmetic number, because the mean of its divisors is an integer number (98550231).

Almost surely, 2^197100461 is an apocalyptic number.

It is an amenable number.

197100461 is a deficient number, since it is larger than the sum of its proper divisors (1).

197100461 is an equidigital number, since it uses as much as digits as its factorization.

197100461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 197100461 is about 14039.2471664260. The cubic root of 197100461 is about 581.9636780944.

The spelling of 197100461 in words is "one hundred ninety-seven million, one hundred thousand, four hundred sixty-one".