609875 has 32 divisors (see below), whose sum is σ = 943488. Its totient is φ = 384000.

The previous prime is 609859. The next prime is 609877. The reversal of 609875 is 578906.

609875 = 21² + 22² + ... + 122².

609875 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 609875 - 2⁴ = 609859 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 609875.

It is not an unprimeable number, because it can be changed into a prime (609877) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14855 + ... + 14895.

It is an arithmetic number, because the mean of its divisors is an integer number (29484).

2⁶⁰⁹⁸⁷⁵ is an apocalyptic number.

609875 is a deficient number, since it is larger than the sum of its proper divisors (333613).

609875 is a wasteful number, since it uses less digits than its factorization.

609875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 70 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 35.

The square root of 609875 is about 780.9449404407. The cubic root of 609875 is about 84.8034675068.

The spelling of 609875 in words is "six hundred nine thousand, eight hundred seventy-five".