5618523 has 4 divisors (see below), whose sum is σ = 7491368. Its totient is φ = 3745680.

The previous prime is 5618497. The next prime is 5618537. The reversal of 5618523 is 3258165.

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

It is not a de Polignac number, because 5618523 - 2⁵ = 5618491 is a prime.

It is a D-number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5618573) 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, 936418 + ... + 936423.

It is an arithmetic number, because the mean of its divisors is an integer number (1872842).

Almost surely, 2^5618523 is an apocalyptic number.

5618523 is a deficient number, since it is larger than the sum of its proper divisors (1872845).

5618523 is a wasteful number, since it uses less digits than its factorization.

5618523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872844.

The product of its digits is 7200, while the sum is 30.

The square root of 5618523 is about 2370.3423803324. The cubic root of 5618523 is about 177.7763782731.

The spelling of 5618523 in words is "five million, six hundred eighteen thousand, five hundred twenty-three".