197342585 has 16 divisors (see below), whose sum is σ = 263217600. Its totient is φ = 140811840.

The previous prime is 197342581. The next prime is 197342591. The reversal of 197342585 is 585243791.

It is not a de Polignac number, because 197342585 - 2² = 197342581 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (197342581) 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, 30935 + ... + 36764.

It is an arithmetic number, because the mean of its divisors is an integer number (16451100).

Almost surely, 2^197342585 is an apocalyptic number.

It is an amenable number.

197342585 is a deficient number, since it is larger than the sum of its proper divisors (65875015).

197342585 is a wasteful number, since it uses less digits than its factorization.

197342585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67768.

The product of its digits is 302400, while the sum is 44.

The square root of 197342585 is about 14047.8676317796. The cubic root of 197342585 is about 582.2018810122.

The spelling of 197342585 in words is "one hundred ninety-seven million, three hundred forty-two thousand, five hundred eighty-five".