2045419 has 4 divisors (see below), whose sum is σ = 2056320. Its totient is φ = 2034520.

The previous prime is 2045377. The next prime is 2045437. The reversal of 2045419 is 9145402.

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-2045419 is a prime.

It is a super-2 number, since 2×2045419² = 8367477771122, 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 = 2045393 and 2045402.

It is not an unprimeable number, because it can be changed into a prime (2045819) 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, 5164 + ... + 5545.

It is an arithmetic number, because the mean of its divisors is an integer number (514080).

2^2045419 is an apocalyptic number.

2045419 is a deficient number, since it is larger than the sum of its proper divisors (10901).

2045419 is a wasteful number, since it uses less digits than its factorization.

2045419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10900.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 2045419 is about 1430.1814570187. The cubic root of 2045419 is about 126.9387143079.

The spelling of 2045419 in words is "two million, forty-five thousand, four hundred nineteen".