655193 has 16 divisors (see below), whose sum is σ = 835584. Its totient is φ = 498960.

The previous prime is 655181. The next prime is 655211. The reversal of 655193 is 391556.

It is not a de Polignac number, because 655193 - 2¹⁰ = 654169 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (655103) 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, 5096 + ... + 5222.

It is an arithmetic number, because the mean of its divisors is an integer number (52224).

2⁶⁵⁵¹⁹³ is an apocalyptic number.

It is an amenable number.

655193 is a deficient number, since it is larger than the sum of its proper divisors (180391).

655193 is a wasteful number, since it uses less digits than its factorization.

655193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212.

The product of its digits is 4050, while the sum is 29.

The square root of 655193 is about 809.4399298280. The cubic root of 655193 is about 86.8539850486.

It can be divided in two parts, 655 and 193, that added together give a palindrome (848).

The spelling of 655193 in words is "six hundred fifty-five thousand, one hundred ninety-three".