654411 has 4 divisors (see below), whose sum is σ = 872552. Its totient is φ = 436272.

The previous prime is 654397. The next prime is 654413. The reversal of 654411 is 114456.

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

It is not a de Polignac number, because 654411 - 2⁹ = 653899 is a prime.

It is a D-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 (654413) 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, 109066 + ... + 109071.

It is an arithmetic number, because the mean of its divisors is an integer number (218138).

2⁶⁵⁴⁴¹¹ is an apocalyptic number.

654411 is a deficient number, since it is larger than the sum of its proper divisors (218141).

654411 is a wasteful number, since it uses less digits than its factorization.

654411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218140.

The product of its digits is 480, while the sum is 21.

The square root of 654411 is about 808.9567355551. The cubic root of 654411 is about 86.8194166817.

Adding to 654411 its reverse (114456), we get a palindrome (768867).

It can be divided in two parts, 6544 and 11, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 654411 in words is "six hundred fifty-four thousand, four hundred eleven".