197980425 has 36 divisors (see below), whose sum is σ = 355446000. Its totient is φ = 105339360.

The previous prime is 197980421. The next prime is 197980501. The reversal of 197980425 is 524089791.

197980425 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 197980425 - 2² = 197980421 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (197980421) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 131326 + ... + 132824.

It is an arithmetic number, because the mean of its divisors is an integer number (9873500).

Almost surely, 2^197980425 is an apocalyptic number.

197980425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

197980425 is a deficient number, since it is larger than the sum of its proper divisors (157465575).

197980425 is a wasteful number, since it uses less digits than its factorization.

197980425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2102 (or 2094 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 197980425 is about 14070.5516949407. The cubic root of 197980425 is about 582.8284602122.

The spelling of 197980425 in words is "one hundred ninety-seven million, nine hundred eighty thousand, four hundred twenty-five".