197355025 has 24 divisors (see below), whose sum is σ = 280857024. Its totient is φ = 134760000.

The previous prime is 197355013. The next prime is 197355029. The reversal of 197355025 is 520553791.

It is a happy number.

It is not a de Polignac number, because 197355025 - 2²¹ = 195257873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (197355029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41679 + ... + 46171.

It is an arithmetic number, because the mean of its divisors is an integer number (11702376).

Almost surely, 2^197355025 is an apocalyptic number.

It is an amenable number.

197355025 is a deficient number, since it is larger than the sum of its proper divisors (83501999).

197355025 is a wasteful number, since it uses less digits than its factorization.

197355025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4761 (or 4756 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 37.

The square root of 197355025 is about 14048.3103966278. The cubic root of 197355025 is about 582.2141142887.

The spelling of 197355025 in words is "one hundred ninety-seven million, three hundred fifty-five thousand, twenty-five".