605215 has 8 divisors (see below), whose sum is σ = 782208. Its totient is φ = 446880.

The previous prime is 605191. The next prime is 605221. The reversal of 605215 is 512506.

It is a happy number.

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

It is not a de Polignac number, because 605215 - 2¹⁷ = 474143 is a prime.

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 = 605192 and 605201.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4591 + ... + 4720.

It is an arithmetic number, because the mean of its divisors is an integer number (97776).

2⁶⁰⁵²¹⁵ is an apocalyptic number.

605215 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

605215 is a deficient number, since it is larger than the sum of its proper divisors (176993).

605215 is a wasteful number, since it uses less digits than its factorization.

605215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9329.

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 605215 is about 777.9556542631. The cubic root of 605215 is about 84.5869231465.

It can be divided in two parts, 605 and 215, that added together give a triangular number (820 = T₄₀).

The spelling of 605215 in words is "six hundred five thousand, two hundred fifteen".