609213 has 8 divisors (see below), whose sum is σ = 886176. Its totient is φ = 369200.

The previous prime is 609209. The next prime is 609221. The reversal of 609213 is 312906.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 609213 - 2² = 609209 is a prime.

It is a super-2 number, since 2×609213² = 742280958738, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 609213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9198 + ... + 9263.

It is an arithmetic number, because the mean of its divisors is an integer number (110772).

2⁶⁰⁹²¹³ is an apocalyptic number.

It is an amenable number.

609213 is a deficient number, since it is larger than the sum of its proper divisors (276963).

609213 is a wasteful number, since it uses less digits than its factorization.

609213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18475.

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 609213 is about 780.5209798590. The cubic root of 609213 is about 84.7727725718.

It can be divided in two parts, 6092 and 13, that added together give a triangular number (6105 = T₁₁₀).

The spelling of 609213 in words is "six hundred nine thousand, two hundred thirteen".