655197 has 16 divisors (see below), whose sum is σ = 959040. Its totient is φ = 396032.

The previous prime is 655181. The next prime is 655211. The reversal of 655197 is 791556.

655197 is nontrivially palindromic in base 15.

It is not a de Polignac number, because 655197 - 2⁴ = 655181 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1258 + ... + 1700.

It is an arithmetic number, because the mean of its divisors is an integer number (59940).

2⁶⁵⁵¹⁹⁷ is an apocalyptic number.

It is an amenable number.

655197 is a deficient number, since it is larger than the sum of its proper divisors (303843).

655197 is a wasteful number, since it uses less digits than its factorization.

655197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 492.

The product of its digits is 9450, while the sum is 33.

The square root of 655197 is about 809.4424006685. The cubic root of 655197 is about 86.8541617981.

The spelling of 655197 in words is "six hundred fifty-five thousand, one hundred ninety-seven".