197245565 has 8 divisors (see below), whose sum is σ = 258212448. Its totient is φ = 143451280.

The previous prime is 197245487. The next prime is 197245571. The reversal of 197245565 is 565542791.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 197245565 - 2¹⁸ = 196983421 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 1793087 + ... + 1793196.

It is an arithmetic number, because the mean of its divisors is an integer number (32276556).

Almost surely, 2^197245565 is an apocalyptic number.

It is an amenable number.

197245565 is a deficient number, since it is larger than the sum of its proper divisors (60966883).

197245565 is a wasteful number, since it uses less digits than its factorization.

197245565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3586299.

The product of its digits is 378000, while the sum is 44.

The square root of 197245565 is about 14044.4140141196. The cubic root of 197245565 is about 582.1064556116.

The spelling of 197245565 in words is "one hundred ninety-seven million, two hundred forty-five thousand, five hundred sixty-five".