612019 has 6 divisors (see below), whose sum is σ = 628476. Its totient is φ = 595980.

The previous prime is 612011. The next prime is 612023. The reversal of 612019 is 910216.

It is not a de Polignac number, because 612019 - 2³ = 612011 is a prime.

It is a super-2 number, since 2×612019² = 749134512722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 611987 and 612005.

It is not an unprimeable number, because it can be changed into a prime (612011) 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 5 ways as a sum of consecutive naturals, for example, 1684 + ... + 2014.

It is an arithmetic number, because the mean of its divisors is an integer number (104746).

2⁶¹²⁰¹⁹ is an apocalyptic number.

612019 is a deficient number, since it is larger than the sum of its proper divisors (16457).

612019 is an equidigital number, since it uses as much as digits as its factorization.

612019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 417 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 612019 is about 782.3164321424. The cubic root of 612019 is about 84.9027260926.

It can be divided in two parts, 61 and 2019, that added together give a triangular number (2080 = T₆₄).

The spelling of 612019 in words is "six hundred twelve thousand, nineteen".