655411 has 4 divisors (see below), whose sum is σ = 657072. Its totient is φ = 653752.

The previous prime is 655399. The next prime is 655439. The reversal of 655411 is 114556.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 655411 - 2⁵ = 655379 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (655471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141 + ... + 1153.

It is an arithmetic number, because the mean of its divisors is an integer number (164268).

2⁶⁵⁵⁴¹¹ is an apocalyptic number.

655411 is a deficient number, since it is larger than the sum of its proper divisors (1661).

655411 is a wasteful number, since it uses less digits than its factorization.

655411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660.

The product of its digits is 600, while the sum is 22.

The square root of 655411 is about 809.5745796404. The cubic root of 655411 is about 86.8636168513.

Adding to 655411 its reverse (114556), we get a palindrome (769967).

It can be divided in two parts, 65 and 5411, that added together give a square (5476 = 74²).

The spelling of 655411 in words is "six hundred fifty-five thousand, four hundred eleven".