196555425 has 60 divisors (see below), whose sum is σ = 359463600. Its totient is φ = 94767200.

The previous prime is 196555423. The next prime is 196555439. The reversal of 196555425 is 524555691.

It is not a de Polignac number, because 196555425 - 2¹ = 196555423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (196555423) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1097986 + ... + 1098164.

It is an arithmetic number, because the mean of its divisors is an integer number (5991060).

Almost surely, 2^196555425 is an apocalyptic number.

196555425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

196555425 is a deficient number, since it is larger than the sum of its proper divisors (162908175).

196555425 is an equidigital number, since it uses as much as digits as its factorization.

196555425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 198 counting only the distinct ones).

The product of its digits is 270000, while the sum is 42.

The square root of 196555425 is about 14019.8225737703. The cubic root of 196555425 is about 581.4267539684.

The spelling of 196555425 in words is "one hundred ninety-six million, five hundred fifty-five thousand, four hundred twenty-five".