197442285 has 16 divisors (see below), whose sum is σ = 318862656. Its totient is φ = 104317568.

The previous prime is 197442277. The next prime is 197442293. The reversal of 197442285 is 582244791.

It is an interprime number because it is at equal distance from previous prime (197442277) and next prime (197442293).

It is a cyclic number.

It is not a de Polignac number, because 197442285 - 2³ = 197442277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59904 + ... + 63113.

It is an arithmetic number, because the mean of its divisors is an integer number (19928916).

Almost surely, 2^197442285 is an apocalyptic number.

197442285 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197442285 is a deficient number, since it is larger than the sum of its proper divisors (121420371).

197442285 is a wasteful number, since it uses less digits than its factorization.

197442285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123132.

The product of its digits is 161280, while the sum is 42.

The square root of 197442285 is about 14051.4157649683. The cubic root of 197442285 is about 582.2999097865.

The spelling of 197442285 in words is "one hundred ninety-seven million, four hundred forty-two thousand, two hundred eighty-five".