654959 has 8 divisors (see below), whose sum is σ = 706320. Its totient is φ = 605056.

The previous prime is 654943. The next prime is 654967. The reversal of 654959 is 959456.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 654959 - 2⁴ = 654943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (656959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677 + ... + 1329.

It is an arithmetic number, because the mean of its divisors is an integer number (88290).

2⁶⁵⁴⁹⁵⁹ is an apocalyptic number.

654959 is a deficient number, since it is larger than the sum of its proper divisors (51361).

654959 is a wasteful number, since it uses less digits than its factorization.

654959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 729.

The product of its digits is 48600, while the sum is 38.

The square root of 654959 is about 809.2953725309. The cubic root of 654959 is about 86.8436439468.

The spelling of 654959 in words is "six hundred fifty-four thousand, nine hundred fifty-nine".