197528049 has 24 divisors (see below), whose sum is σ = 302683680. Its totient is φ = 123700608.

The previous prime is 197528041. The next prime is 197528087. The reversal of 197528049 is 940825791.

197528049 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 197528049 - 2³ = 197528041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 197527995 and 197528013.

It is not an unprimeable number, because it can be changed into a prime (197528041) 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, 112194 + ... + 113940.

It is an arithmetic number, because the mean of its divisors is an integer number (12611820).

Almost surely, 2^197528049 is an apocalyptic number.

It is an amenable number.

197528049 is a deficient number, since it is larger than the sum of its proper divisors (105155631).

197528049 is a wasteful number, since it uses less digits than its factorization.

197528049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2509 (or 2506 counting only the distinct ones).

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

The square root of 197528049 is about 14054.4672257614. The cubic root of 197528049 is about 582.3842097635.

The spelling of 197528049 in words is "one hundred ninety-seven million, five hundred twenty-eight thousand, forty-nine".