197935625 has 10 divisors (see below), whose sum is σ = 247341138. Its totient is φ = 158348000.

The previous prime is 197935571. The next prime is 197935637. The reversal of 197935625 is 526539791.

It can be written as a sum of positive squares in 5 ways, for example, as 144192064 + 53743561 = 12008^2 + 7331^2 .

It is not a de Polignac number, because 197935625 - 2⁶ = 197935561 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 197935625.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 157724 + ... + 158973.

Almost surely, 2^197935625 is an apocalyptic number.

It is an amenable number.

197935625 is a deficient number, since it is larger than the sum of its proper divisors (49405513).

197935625 is an frugal number, since it uses more digits than its factorization.

197935625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316717 (or 316702 counting only the distinct ones).

The product of its digits is 510300, while the sum is 47.

The square root of 197935625 is about 14068.9596274920. The cubic root of 197935625 is about 582.7844951169.

It can be divided in two parts, 1979 and 35625, that multiplied together give a triangular number (70501875 = T₁₁₈₇₄).

The spelling of 197935625 in words is "one hundred ninety-seven million, nine hundred thirty-five thousand, six hundred twenty-five".