609315 has 24 divisors (see below), whose sum is σ = 1135440. Its totient is φ = 278208.

The previous prime is 609313. The next prime is 609337. The reversal of 609315 is 513906.

It is not a de Polignac number, because 609315 - 2¹ = 609313 is a prime.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (609313) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321 + ... + 1149.

It is an arithmetic number, because the mean of its divisors is an integer number (47310).

2⁶⁰⁹³¹⁵ is an apocalyptic number.

609315 is a deficient number, since it is larger than the sum of its proper divisors (526125).

609315 is a wasteful number, since it uses less digits than its factorization.

609315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 851 (or 844 counting only the distinct ones).

The product of its (nonzero) digits is 810, while the sum is 24.

The square root of 609315 is about 780.5863180969. The cubic root of 609315 is about 84.7775034516. Note that the first 3 decimals are identical.

The spelling of 609315 in words is "six hundred nine thousand, three hundred fifteen".