197541 has 12 divisors (see below), whose sum is σ = 292032. Its totient is φ = 128616.

The previous prime is 197539. The next prime is 197551. The reversal of 197541 is 145791.

197541 is nontrivially palindromic in base 13.

It is not a de Polignac number, because 197541 - 2¹ = 197539 is a prime.

It is a congruent number.

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

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 190 + ... + 656.

It is an arithmetic number, because the mean of its divisors is an integer number (24336).

2¹⁹⁷⁵⁴¹ is an apocalyptic number.

It is an amenable number.

197541 is a deficient number, since it is larger than the sum of its proper divisors (94491).

197541 is a wasteful number, since it uses less digits than its factorization.

197541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 520 (or 517 counting only the distinct ones).

The product of its digits is 1260, while the sum is 27.

The square root of 197541 is about 444.4558470759. The cubic root of 197541 is about 58.2396937564.

It can be divided in two parts, 1975 and 41, that added together give a triangular number (2016 = T₆₃).

The spelling of 197541 in words is "one hundred ninety-seven thousand, five hundred forty-one".