609552 has 80 divisors (see below), whose sum is σ = 1874880. Its totient is φ = 188928.

The previous prime is 609541. The next prime is 609571. The reversal of 609552 is 255906.

609552 is a `hidden beast` number, since 609 + 5 + 52 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7303 + ... + 7385.

It is an arithmetic number, because the mean of its divisors is an integer number (23436).

2⁶⁰⁹⁵⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 609552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (937440).

609552 is an abundant number, since it is smaller than the sum of its proper divisors (1265328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

609552 is a wasteful number, since it uses less digits than its factorization.

609552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117 (or 105 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 609552 is about 780.7381123014. The cubic root of 609552 is about 84.7884937515.

The spelling of 609552 in words is "six hundred nine thousand, five hundred fifty-two".