197265625 has 20 divisors (see below), whose sum is σ = 249023412. Its totient is φ = 156250000.

The previous prime is 197265623. The next prime is 197265631. The reversal of 197265625 is 526562791.

It can be written as a sum of positive squares in 10 ways, for example, as 35772361 + 161493264 = 5981^2 + 12708^2 .

It is not a de Polignac number, because 197265625 - 2¹ = 197265623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197265623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1953075 + ... + 1953175.

Almost surely, 2^197265625 is an apocalyptic number.

It is an amenable number.

197265625 is a deficient number, since it is larger than the sum of its proper divisors (51757787).

197265625 is an frugal number, since it uses more digits than its factorization.

197265625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 106 counting only the distinct ones).

The product of its digits is 226800, while the sum is 43.

The square root of 197265625 is about 14045.1281589026. The cubic root of 197265625 is about 582.1261884755.

The spelling of 197265625 in words is "one hundred ninety-seven million, two hundred sixty-five thousand, six hundred twenty-five".