612419 has 4 divisors (see below), whose sum is σ = 614040. Its totient is φ = 610800.

The previous prime is 612407. The next prime is 612439. The reversal of 612419 is 914216.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-612419 is a prime.

It is a super-2 number, since 2×612419² = 750114063122, 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 = 612394 and 612403.

It is not an unprimeable number, because it can be changed into a prime (612439) 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, 92 + ... + 1110.

It is an arithmetic number, because the mean of its divisors is an integer number (153510).

2⁶¹²⁴¹⁹ is an apocalyptic number.

612419 is a deficient number, since it is larger than the sum of its proper divisors (1621).

612419 is a wasteful number, since it uses less digits than its factorization.

612419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1620.

The product of its digits is 432, while the sum is 23.

The square root of 612419 is about 782.5720414122. The cubic root of 612419 is about 84.9212188160.

The spelling of 612419 in words is "six hundred twelve thousand, four hundred nineteen".