197459425 has 6 divisors (see below), whose sum is σ = 244849718. Its totient is φ = 157967520.

The previous prime is 197459413. The next prime is 197459443. The reversal of 197459425 is 524954791.

It can be written as a sum of positive squares in 3 ways, for example, as 1263376 + 196196049 = 1124^2 + 14007^2 .

It is not a de Polignac number, because 197459425 - 2¹⁵ = 197426657 is a prime.

It is a Duffinian 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 5 ways as a sum of consecutive naturals, for example, 3949164 + ... + 3949213.

Almost surely, 2^197459425 is an apocalyptic number.

It is an amenable number.

197459425 is a deficient number, since it is larger than the sum of its proper divisors (47390293).

197459425 is an equidigital number, since it uses as much as digits as its factorization.

197459425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7898387 (or 7898382 counting only the distinct ones).

The product of its digits is 453600, while the sum is 46.

The square root of 197459425 is about 14052.0256546877. The cubic root of 197459425 is about 582.3167591519.

The spelling of 197459425 in words is "one hundred ninety-seven million, four hundred fifty-nine thousand, four hundred twenty-five".