5219618 has 4 divisors (see below), whose sum is σ = 7829430. Its totient is φ = 2609808.

The previous prime is 5219611. The next prime is 5219639. The reversal of 5219618 is 8169125.

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

It can be written as a sum of positive squares in only one way, i.e., 4068289 + 1151329 = 2017^2 + 1073^2 .

It is not an unprimeable number, because it can be changed into a prime (5219611) 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 as a sum of consecutive naturals, namely, 1304903 + ... + 1304906.

Almost surely, 2^5219618 is an apocalyptic number.

5219618 is a deficient number, since it is larger than the sum of its proper divisors (2609812).

5219618 is a wasteful number, since it uses less digits than its factorization.

5219618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609811.

The product of its digits is 4320, while the sum is 32.

The square root of 5219618 is about 2284.6483318008. The cubic root of 5219618 is about 173.4654178958.

The spelling of 5219618 in words is "five million, two hundred nineteen thousand, six hundred eighteen".