5671819 has 4 divisors (see below), whose sum is σ = 5792544. Its totient is φ = 5551096.

The previous prime is 5671811. The next prime is 5671837. The reversal of 5671819 is 9181765.

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

It is a cyclic number.

It is not a de Polignac number, because 5671819 - 2³ = 5671811 is a prime.

It is a super-2 number, since 2×5671819² = 64339061537522, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5671811) 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, 60292 + ... + 60385.

It is an arithmetic number, because the mean of its divisors is an integer number (1448136).

Almost surely, 2^5671819 is an apocalyptic number.

5671819 is a deficient number, since it is larger than the sum of its proper divisors (120725).

5671819 is a wasteful number, since it uses less digits than its factorization.

5671819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120724.

The product of its digits is 15120, while the sum is 37.

The square root of 5671819 is about 2381.5581034272. The cubic root of 5671819 is about 178.3367253166.

The spelling of 5671819 in words is "five million, six hundred seventy-one thousand, eight hundred nineteen".