659552 has 12 divisors (see below), whose sum is σ = 1298556. Its totient is φ = 329760.

The previous prime is 659539. The next prime is 659563. The reversal of 659552 is 255956.

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 20611 = 659552 / (6 + 5 + 9 + 5 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

659552 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10274 + ... + 10337.

It is an arithmetic number, because the mean of its divisors is an integer number (108213).

2⁶⁵⁹⁵⁵² is an apocalyptic number.

It is an amenable number.

659552 is a deficient number, since it is larger than the sum of its proper divisors (639004).

659552 is a wasteful number, since it uses less digits than its factorization.

659552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20621 (or 20613 counting only the distinct ones).

The product of its digits is 13500, while the sum is 32.

The square root of 659552 is about 812.1280687182. The cubic root of 659552 is about 87.0461726988.

The spelling of 659552 in words is "six hundred fifty-nine thousand, five hundred fifty-two".