654329 has 4 divisors (see below), whose sum is σ = 704676. Its totient is φ = 603984.

The previous prime is 654323. The next prime is 654343. The reversal of 654329 is 923456.

654329 is nontrivially palindromic in base 16.

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

It can be written as a sum of positive squares in 2 ways, for example, as 300304 + 354025 = 548^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-654329 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (654323) 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, 25154 + ... + 25179.

It is an arithmetic number, because the mean of its divisors is an integer number (176169).

2⁶⁵⁴³²⁹ is an apocalyptic number.

It is an amenable number.

654329 is a deficient number, since it is larger than the sum of its proper divisors (50347).

654329 is a wasteful number, since it uses less digits than its factorization.

654329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50346.

The product of its digits is 6480, while the sum is 29.

The square root of 654329 is about 808.9060514052. The cubic root of 654329 is about 86.8157902708.

The spelling of 654329 in words is "six hundred fifty-four thousand, three hundred twenty-nine".