275436197 has 2 divisors, whose sum is σ = 275436198. Its totient is φ = 275436196.

The previous prime is 275436181. The next prime is 275436211. The reversal of 275436197 is 791634572.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 177049636 + 98386561 = 13306^2 + 9919^2 .

It is a cyclic number.

It is not a de Polignac number, because 275436197 - 2⁴ = 275436181 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (275436137) 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, 137718098 + 137718099.

It is an arithmetic number, because the mean of its divisors is an integer number (137718099).

Almost surely, 2^275436197 is an apocalyptic number.

It is an amenable number.

275436197 is a deficient number, since it is larger than the sum of its proper divisors (1).

275436197 is an equidigital number, since it uses as much as digits as its factorization.

275436197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 317520, while the sum is 44.

The square root of 275436197 is about 16596.2705750419. The cubic root of 275436197 is about 650.6393685160.

The spelling of 275436197 in words is "two hundred seventy-five million, four hundred thirty-six thousand, one hundred ninety-seven".