5219409 has 8 divisors (see below), whose sum is σ = 7494592. Its totient is φ = 3211920.

The previous prime is 5219393. The next prime is 5219441. The reversal of 5219409 is 9049125.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5219409 - 2⁴ = 5219393 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5219009) 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 7 ways as a sum of consecutive naturals, for example, 66877 + ... + 66954.

It is an arithmetic number, because the mean of its divisors is an integer number (936824).

Almost surely, 2^5219409 is an apocalyptic number.

It is an amenable number.

5219409 is a deficient number, since it is larger than the sum of its proper divisors (2275183).

5219409 is a wasteful number, since it uses less digits than its factorization.

5219409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133847.

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 5219409 is about 2284.6025912618. The cubic root of 5219409 is about 173.4631026079.

The spelling of 5219409 in words is "five million, two hundred nineteen thousand, four hundred nine".