197495247 has 16 divisors (see below), whose sum is σ = 270126560. Its totient is φ = 128304000.

The previous prime is 197495213. The next prime is 197495251. The reversal of 197495247 is 742594791.

It is not a de Polignac number, because 197495247 - 2¹⁴ = 197478863 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197495196 and 197495205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197495257) 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, 14997 + ... + 24897.

It is an arithmetic number, because the mean of its divisors is an integer number (16882910).

Almost surely, 2^197495247 is an apocalyptic number.

197495247 is a deficient number, since it is larger than the sum of its proper divisors (72631313).

197495247 is a wasteful number, since it uses less digits than its factorization.

197495247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10074.

The product of its digits is 635040, while the sum is 48.

The square root of 197495247 is about 14053.3002173867. The cubic root of 197495247 is about 582.3519705878.

The spelling of 197495247 in words is "one hundred ninety-seven million, four hundred ninety-five thousand, two hundred forty-seven".