197164513 has 16 divisors (see below), whose sum is σ = 244944000. Its totient is φ = 154532736.

The previous prime is 197164507. The next prime is 197164523. The reversal of 197164513 is 315461791.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 197164513 - 2⁵ = 197164481 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197164523) 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, 388 + ... + 19861.

It is an arithmetic number, because the mean of its divisors is an integer number (15309000).

Almost surely, 2^197164513 is an apocalyptic number.

197164513 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

197164513 is a deficient number, since it is larger than the sum of its proper divisors (47779487).

197164513 is a wasteful number, since it uses less digits than its factorization.

197164513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20376.

The product of its digits is 22680, while the sum is 37.

The square root of 197164513 is about 14041.5281575760. The cubic root of 197164513 is about 582.0267117714.

The spelling of 197164513 in words is "one hundred ninety-seven million, one hundred sixty-four thousand, five hundred thirteen".