273671897 has 2 divisors, whose sum is σ = 273671898. Its totient is φ = 273671896.

The previous prime is 273671891. The next prime is 273671911. The reversal of 273671897 is 798176372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 252841801 + 20830096 = 15901^2 + 4564^2 .

It is a cyclic number.

It is not a de Polignac number, because 273671897 - 2²⁰ = 272623321 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (273671891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136835948 + 136835949.

It is an arithmetic number, because the mean of its divisors is an integer number (136835949).

Almost surely, 2^273671897 is an apocalyptic number.

It is an amenable number.

273671897 is a deficient number, since it is larger than the sum of its proper divisors (1).

273671897 is an equidigital number, since it uses as much as digits as its factorization.

273671897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 889056, while the sum is 50.

The square root of 273671897 is about 16543.0316749984. The cubic root of 273671897 is about 649.2471733872.

The spelling of 273671897 in words is "two hundred seventy-three million, six hundred seventy-one thousand, eight hundred ninety-seven".