197631273 has 16 divisors (see below), whose sum is σ = 318867840. Its totient is φ = 106288896.

The previous prime is 197631271. The next prime is 197631281. The reversal of 197631273 is 372136791.

It is a happy number.

It is not a de Polignac number, because 197631273 - 2¹ = 197631271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197631271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 276438 + ... + 277151.

It is an arithmetic number, because the mean of its divisors is an integer number (19929240).

Almost surely, 2^197631273 is an apocalyptic number.

It is an amenable number.

197631273 is a deficient number, since it is larger than the sum of its proper divisors (121236567).

197631273 is a wasteful number, since it uses less digits than its factorization.

197631273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553616.

The product of its digits is 47628, while the sum is 39.

The square root of 197631273 is about 14058.1390304691. The cubic root of 197631273 is about 582.4856393397.

The spelling of 197631273 in words is "one hundred ninety-seven million, six hundred thirty-one thousand, two hundred seventy-three".