197528 has 8 divisors (see below), whose sum is σ = 370380. Its totient is φ = 98760.

The previous prime is 197521. The next prime is 197539. The reversal of 197528 is 825791.

197528 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (8).

It is a d-powerful number, because it can be written as 1 + 9³ + 5⁷ + 7⁶ + 2⁹ + 8³ .

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 197494 and 197503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197521) by changing a digit.

197528 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12338 + ... + 12353.

2¹⁹⁷⁵²⁸ is an apocalyptic number.

It is an amenable number.

197528 is a deficient number, since it is larger than the sum of its proper divisors (172852).

197528 is a wasteful number, since it uses less digits than its factorization.

197528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24697 (or 24693 counting only the distinct ones).

The product of its digits is 5040, while the sum is 32.

The square root of 197528 is about 444.4412222105. The cubic root of 197528 is about 58.2384161607.

The spelling of 197528 in words is "one hundred ninety-seven thousand, five hundred twenty-eight".