196591225 has 24 divisors (see below), whose sum is σ = 247484160. Its totient is φ = 154902720.

The previous prime is 196591223. The next prime is 196591267. The reversal of 196591225 is 522195691.

It is not a de Polignac number, because 196591225 - 2¹ = 196591223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196591223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 881464 + ... + 881686.

It is an arithmetic number, because the mean of its divisors is an integer number (10311840).

Almost surely, 2^196591225 is an apocalyptic number.

It is an amenable number.

196591225 is a deficient number, since it is larger than the sum of its proper divisors (50892935).

196591225 is a wasteful number, since it uses less digits than its factorization.

196591225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 609 (or 604 counting only the distinct ones).

The product of its digits is 48600, while the sum is 40.

The square root of 196591225 is about 14021.0992793005. The cubic root of 196591225 is about 581.4620515851.

The spelling of 196591225 in words is "one hundred ninety-six million, five hundred ninety-one thousand, two hundred twenty-five".