605019 has 4 divisors (see below), whose sum is σ = 806696. Its totient is φ = 403344.

The previous prime is 605009. The next prime is 605021. The reversal of 605019 is 910506.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 605019 - 2¹¹ = 602971 is a prime.

It is a super-2 number, since 2×605019² = 732095980722, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

605019 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 604986 and 605004.

It is not an unprimeable number, because it can be changed into a prime (605009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100834 + ... + 100839.

It is an arithmetic number, because the mean of its divisors is an integer number (201674).

2⁶⁰⁵⁰¹⁹ is an apocalyptic number.

605019 is a deficient number, since it is larger than the sum of its proper divisors (201677).

605019 is a wasteful number, since it uses less digits than its factorization.

605019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201676.

The product of its (nonzero) digits is 270, while the sum is 21.

The square root of 605019 is about 777.8296728719. The cubic root of 605019 is about 84.5777909500.

The spelling of 605019 in words is "six hundred five thousand, nineteen".