196981225 has 27 divisors (see below), whose sum is σ = 284845701. Its totient is φ = 134736000.

The previous prime is 196981219. The next prime is 196981249. The reversal of 196981225 is 522189691.

The square root of 196981225 is 14035.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 52693081 + 144288144 = 7259^2 + 12012^2 .

It is not a de Polignac number, because 196981225 - 2²⁵ = 163426793 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 491025 + ... + 491425.

Almost surely, 2^196981225 is an apocalyptic number.

196981225 is the 14035-th square number.

196981225 is the 7018-th centered octagonal number.

It is an amenable number.

196981225 is a deficient number, since it is larger than the sum of its proper divisors (87864476).

196981225 is an frugal number, since it uses more digits than its factorization.

196981225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 826 (or 413 counting only the distinct ones).

The product of its digits is 77760, while the sum is 43.

The cubic root of 196981225 is about 581.8463013716.

The spelling of 196981225 in words is "one hundred ninety-six million, nine hundred eighty-one thousand, two hundred twenty-five".