654479 has 4 divisors (see below), whose sum is σ = 747984. Its totient is φ = 560976.

The previous prime is 654439. The next prime is 654491. The reversal of 654479 is 974456.

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 654479 - 2⁸ = 654223 is a prime.

It is a super-2 number, since 2×654479² = 856685522882, which contains 22 as substring.

It is a d-powerful number, because it can be written as 6³ + 5⁵ + 4⁵ + 4⁵ + 7⁶ + 9⁶ .

It is a Duffinian number.

It is a zygodrome in base 6.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 654479.

It is not an unprimeable number, because it can be changed into a prime (654439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46742 + ... + 46755.

It is an arithmetic number, because the mean of its divisors is an integer number (186996).

2⁶⁵⁴⁴⁷⁹ is an apocalyptic number.

654479 is a deficient number, since it is larger than the sum of its proper divisors (93505).

654479 is an equidigital number, since it uses as much as digits as its factorization.

654479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93504.

The product of its digits is 30240, while the sum is 35.

The square root of 654479 is about 808.9987639051. The cubic root of 654479 is about 86.8224237195.

It can be divided in two parts, 65447 and 9, that added together give a palindrome (65456).

The spelling of 654479 in words is "six hundred fifty-four thousand, four hundred seventy-nine".