610009 has 4 divisors (see below), whose sum is σ = 612304. Its totient is φ = 607716.

The previous prime is 609997. The next prime is 610031. The reversal of 610009 is 900016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 610009 - 2¹¹ = 607961 is a prime.

It is a super-2 number, since 2×610009² = 744221960162, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 609974 and 610001.

It is not an unprimeable number, because it can be changed into a prime (610409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 687 + ... + 1300.

It is an arithmetic number, because the mean of its divisors is an integer number (153076).

2⁶¹⁰⁰⁰⁹ is an apocalyptic number.

It is an amenable number.

610009 is a deficient number, since it is larger than the sum of its proper divisors (2295).

610009 is a wasteful number, since it uses less digits than its factorization.

610009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294.

The product of its (nonzero) digits is 54, while the sum is 16.

The square root of 610009 is about 781.0307292290. The cubic root of 610009 is about 84.8096779776.

It can be divided in two parts, 61000 and 9, that added together give a square (61009 = 247²).

The spelling of 610009 in words is "six hundred ten thousand, nine".