5219491 has 4 divisors (see below), whose sum is σ = 5330592. Its totient is φ = 5108392.

The previous prime is 5219477. The next prime is 5219503. The reversal of 5219491 is 1949125.

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 5219491 - 2⁷ = 5219363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5219441) 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, 55480 + ... + 55573.

It is an arithmetic number, because the mean of its divisors is an integer number (1332648).

Almost surely, 2^5219491 is an apocalyptic number.

5219491 is a deficient number, since it is larger than the sum of its proper divisors (111101).

5219491 is a wasteful number, since it uses less digits than its factorization.

5219491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111100.

The product of its digits is 3240, while the sum is 31.

The square root of 5219491 is about 2284.6205374197. The cubic root of 5219491 is about 173.4640110057.

The spelling of 5219491 in words is "five million, two hundred nineteen thousand, four hundred ninety-one".