196018925 has 24 divisors (see below), whose sum is σ = 261614952. Its totient is φ = 145152000.

The previous prime is 196018919. The next prime is 196018931. The reversal of 196018925 is 529810691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (196018919) and next prime (196018931).

It can be written as a sum of positive squares in 12 ways, for example, as 106110601 + 89908324 = 10301^2 + 9482^2 .

It is a de Polignac number, because none of the positive numbers 2^k-196018925 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22145 + ... + 29705.

It is an arithmetic number, because the mean of its divisors is an integer number (10900623).

Almost surely, 2^196018925 is an apocalyptic number.

It is an amenable number.

196018925 is a deficient number, since it is larger than the sum of its proper divisors (65596027).

196018925 is a wasteful number, since it uses less digits than its factorization.

196018925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7649 (or 7644 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 41.

The square root of 196018925 is about 14000.6758765425. The cubic root of 196018925 is about 580.8972685489.

The spelling of 196018925 in words is "one hundred ninety-six million, eighteen thousand, nine hundred twenty-five".