659953 has 8 divisors (see below), whose sum is σ = 780480. Its totient is φ = 546000.

The previous prime is 659951. The next prime is 659963. The reversal of 659953 is 359956.

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

It is not a de Polignac number, because 659953 - 2¹ = 659951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (659951) 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, 1423 + ... + 1828.

It is an arithmetic number, because the mean of its divisors is an integer number (97560).

2⁶⁵⁹⁹⁵³ is an apocalyptic number.

It is an amenable number.

659953 is a deficient number, since it is larger than the sum of its proper divisors (120527).

659953 is a wasteful number, since it uses less digits than its factorization.

659953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3287.

The product of its digits is 36450, while the sum is 37.

The square root of 659953 is about 812.3749134482. The cubic root of 659953 is about 87.0638101474.

The spelling of 659953 in words is "six hundred fifty-nine thousand, nine hundred fifty-three".