197996265 has 16 divisors (see below), whose sum is σ = 351993600. Its totient is φ = 105597936.

The previous prime is 197996237. The next prime is 197996291. The reversal of 197996265 is 562699791.

197996265 is a `hidden beast` number, since 1 + 9 + 7 + 9 + 9 + 626 + 5 = 666.

It is not a de Polignac number, because 197996265 - 2⁸ = 197996009 is a prime.

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, 733185 + ... + 733454.

It is an arithmetic number, because the mean of its divisors is an integer number (21999600).

Almost surely, 2^197996265 is an apocalyptic number.

197996265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197996265 is a deficient number, since it is larger than the sum of its proper divisors (153997335).

197996265 is a wasteful number, since it uses less digits than its factorization.

197996265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1466653 (or 1466647 counting only the distinct ones).

The product of its digits is 1837080, while the sum is 54.

The square root of 197996265 is about 14071.1145613985. The cubic root of 197996265 is about 582.8440034266.

The spelling of 197996265 in words is "one hundred ninety-seven million, nine hundred ninety-six thousand, two hundred sixty-five".