197133285 has 16 divisors (see below), whose sum is σ = 322749504. Its totient is φ = 102692352.

The previous prime is 197133283. The next prime is 197133319. The reversal of 197133285 is 582331791.

It is not a de Polignac number, because 197133285 - 2¹ = 197133283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197133283) 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, 152172 + ... + 153461.

It is an arithmetic number, because the mean of its divisors is an integer number (20171844).

Almost surely, 2^197133285 is an apocalyptic number.

197133285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197133285 is a deficient number, since it is larger than the sum of its proper divisors (125616219).

197133285 is a wasteful number, since it uses less digits than its factorization.

197133285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305684.

The product of its digits is 45360, while the sum is 39.

The square root of 197133285 is about 14040.4161263119. The cubic root of 197133285 is about 581.9959819517.

The spelling of 197133285 in words is "one hundred ninety-seven million, one hundred thirty-three thousand, two hundred eighty-five".