609456375 has 96 divisors (see below), whose sum is σ = 1269463104. Its totient is φ = 278016000.

The previous prime is 609456319. The next prime is 609456377. The reversal of 609456375 is 573654906.

609456375 is a `hidden beast` number, since 6 + 0 + 9 + 4 + 5 + 637 + 5 = 666.

609456375 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 609456375 - 2¹⁰ = 609455351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 609456375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609456377) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 208927 + ... + 211823.

It is an arithmetic number, because the mean of its divisors is an integer number (13223574).

Almost surely, 2^609456375 is an apocalyptic number.

609456375 is an abundant number, since it is smaller than the sum of its proper divisors (660006729).

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

609456375 is a wasteful number, since it uses less digits than its factorization.

609456375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2946 (or 2933 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 609456375 is about 24687.1702509623. The cubic root of 609456375 is about 847.8405971704.

The spelling of 609456375 in words is "six hundred nine million, four hundred fifty-six thousand, three hundred seventy-five".